21879585

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 48487680

約数和(自身を除く): 26608095

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 137, 169, 189, 195, 273, 315, 351, 411, 455, 507, 585, 685, 819, 845, 945, 959, 1183, 1233, 1365, 1521, 1755, 1781, 2055, 2457, 2535, 2877, 3549, 3699, 4095, 4563, 4795, 5343, 5915, 6165, 7605, 8631, 8905, 10647, 12285, 12467, 14385, 16029, 17745, 18495, 22815, 23153, 25893, 26715, 31941, 37401, 43155, 48087, 53235, 62335, 69459, 80145, 112203, 115765, 129465, 159705, 162071, 187005, 208377, 240435, 336609, 347295, 486213, 561015, 625131, 810355, 1041885, 1458639, 1683045, 2431065, 3125655, 4375917, 7293195, 21879585]

約数ペア:

[(1, 21879585), (3, 7293195), (5, 4375917), (7, 3125655), (9, 2431065), (13, 1683045), (15, 1458639), (21, 1041885), (27, 810355), (35, 625131), (39, 561015), (45, 486213), (63, 347295), (65, 336609), (91, 240435), (105, 208377), (117, 187005), (135, 162071), (137, 159705), (169, 129465), (189, 115765), (195, 112203), (273, 80145), (315, 69459), (351, 62335), (411, 53235), (455, 48087), (507, 43155), (585, 37401), (685, 31941), (819, 26715), (845, 25893), (945, 23153), (959, 22815), (1183, 18495), (1233, 17745), (1365, 16029), (1521, 14385), (1755, 12467), (1781, 12285), (2055, 10647), (2457, 8905), (2535, 8631), (2877, 7605), (3549, 6165), (3699, 5915), (4095, 5343), (4563, 4795)]