21435570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 63866880

約数和(自身を除く): 42431310

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 31, 39, 45, 54, 62, 65, 78, 90, 93, 117, 130, 135, 155, 186, 195, 197, 234, 270, 279, 310, 351, 390, 394, 403, 465, 558, 585, 591, 702, 806, 837, 930, 985, 1170, 1182, 1209, 1395, 1674, 1755, 1773, 1970, 2015, 2418, 2561, 2790, 2955, 3510, 3546, 3627, 4030, 4185, 5122, 5319, 5910, 6045, 6107, 7254, 7683, 8370, 8865, 10638, 10881, 12090, 12214, 12805, 15366, 17730, 18135, 18321, 21762, 23049, 25610, 26595, 30535, 36270, 36642, 38415, 46098, 53190, 54405, 54963, 61070, 69147, 76830, 79391, 91605, 108810, 109926, 115245, 138294, 158782, 164889, 183210, 230490, 238173, 274815, 329778, 345735, 396955, 476346, 549630, 691470, 714519, 793910, 824445, 1190865, 1429038, 1648890, 2143557, 2381730, 3572595, 4287114, 7145190, 10717785, 21435570]

約数ペア:

[(1, 21435570), (2, 10717785), (3, 7145190), (5, 4287114), (6, 3572595), (9, 2381730), (10, 2143557), (13, 1648890), (15, 1429038), (18, 1190865), (26, 824445), (27, 793910), (30, 714519), (31, 691470), (39, 549630), (45, 476346), (54, 396955), (62, 345735), (65, 329778), (78, 274815), (90, 238173), (93, 230490), (117, 183210), (130, 164889), (135, 158782), (155, 138294), (186, 115245), (195, 109926), (197, 108810), (234, 91605), (270, 79391), (279, 76830), (310, 69147), (351, 61070), (390, 54963), (394, 54405), (403, 53190), (465, 46098), (558, 38415), (585, 36642), (591, 36270), (702, 30535), (806, 26595), (837, 25610), (930, 23049), (985, 21762), (1170, 18321), (1182, 18135), (1209, 17730), (1395, 15366), (1674, 12805), (1755, 12214), (1773, 12090), (1970, 10881), (2015, 10638), (2418, 8865), (2561, 8370), (2790, 7683), (2955, 7254), (3510, 6107), (3546, 6045), (3627, 5910), (4030, 5319), (4185, 5122)]