21613410

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1$

素因数の和:82

約数の個数: 216

約数和(自身を含む): 73225620

約数和(自身を除く): 51612210

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 29, 30, 35, 39, 42, 45, 49, 58, 63, 65, 70, 78, 87, 90, 91, 98, 105, 117, 126, 130, 145, 147, 169, 174, 182, 195, 203, 210, 234, 245, 261, 273, 290, 294, 315, 338, 377, 390, 406, 435, 441, 455, 490, 507, 522, 546, 585, 609, 630, 637, 735, 754, 819, 845, 870, 882, 910, 1014, 1015, 1131, 1170, 1183, 1218, 1274, 1305, 1365, 1421, 1470, 1521, 1638, 1690, 1827, 1885, 1911, 2030, 2205, 2262, 2366, 2535, 2610, 2639, 2730, 2842, 3042, 3045, 3185, 3393, 3549, 3654, 3770, 3822, 4095, 4263, 4410, 4901, 5070, 5278, 5655, 5733, 5915, 6090, 6370, 6786, 7098, 7105, 7605, 7917, 8190, 8281, 8526, 9135, 9555, 9802, 10647, 11310, 11466, 11830, 12789, 13195, 14210, 14703, 15210, 15834, 16562, 16965, 17745, 18270, 18473, 19110, 21294, 21315, 23751, 24505, 24843, 25578, 26390, 28665, 29406, 33930, 34307, 35490, 36946, 39585, 41405, 42630, 44109, 47502, 49010, 49686, 53235, 55419, 57330, 63945, 68614, 73515, 74529, 79170, 82810, 88218, 92365, 102921, 106470, 110838, 118755, 124215, 127890, 147030, 149058, 166257, 171535, 184730, 205842, 220545, 237510, 240149, 248430, 277095, 308763, 332514, 343070, 372645, 441090, 480298, 514605, 554190, 617526, 720447, 745290, 831285, 1029210, 1200745, 1440894, 1543815, 1662570, 2161341, 2401490, 3087630, 3602235, 4322682, 7204470, 10806705, 21613410]

約数ペア:

[(1, 21613410), (2, 10806705), (3, 7204470), (5, 4322682), (6, 3602235), (7, 3087630), (9, 2401490), (10, 2161341), (13, 1662570), (14, 1543815), (15, 1440894), (18, 1200745), (21, 1029210), (26, 831285), (29, 745290), (30, 720447), (35, 617526), (39, 554190), (42, 514605), (45, 480298), (49, 441090), (58, 372645), (63, 343070), (65, 332514), (70, 308763), (78, 277095), (87, 248430), (90, 240149), (91, 237510), (98, 220545), (105, 205842), (117, 184730), (126, 171535), (130, 166257), (145, 149058), (147, 147030), (169, 127890), (174, 124215), (182, 118755), (195, 110838), (203, 106470), (210, 102921), (234, 92365), (245, 88218), (261, 82810), (273, 79170), (290, 74529), (294, 73515), (315, 68614), (338, 63945), (377, 57330), (390, 55419), (406, 53235), (435, 49686), (441, 49010), (455, 47502), (490, 44109), (507, 42630), (522, 41405), (546, 39585), (585, 36946), (609, 35490), (630, 34307), (637, 33930), (735, 29406), (754, 28665), (819, 26390), (845, 25578), (870, 24843), (882, 24505), (910, 23751), (1014, 21315), (1015, 21294), (1131, 19110), (1170, 18473), (1183, 18270), (1218, 17745), (1274, 16965), (1305, 16562), (1365, 15834), (1421, 15210), (1470, 14703), (1521, 14210), (1638, 13195), (1690, 12789), (1827, 11830), (1885, 11466), (1911, 11310), (2030, 10647), (2205, 9802), (2262, 9555), (2366, 9135), (2535, 8526), (2610, 8281), (2639, 8190), (2730, 7917), (2842, 7605), (3042, 7105), (3045, 7098), (3185, 6786), (3393, 6370), (3549, 6090), (3654, 5915), (3770, 5733), (3822, 5655), (4095, 5278), (4263, 5070), (4410, 4901)]