21177702

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1847}}^1$

素因数の和:1882

約数の個数: 72

約数和(自身を含む): 57513456

約数和(自身を除く): 36335754

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1847, 1911, 3694, 3822, 5541, 5733, 11082, 11466, 12929, 16623, 24011, 25858, 33246, 38787, 48022, 72033, 77574, 90503, 116361, 144066, 168077, 181006, 216099, 232722, 271509, 336154, 432198, 504231, 543018, 814527, 1008462, 1176539, 1512693, 1629054, 2353078, 3025386, 3529617, 7059234, 10588851, 21177702]

約数ペア:

[(1, 21177702), (2, 10588851), (3, 7059234), (6, 3529617), (7, 3025386), (9, 2353078), (13, 1629054), (14, 1512693), (18, 1176539), (21, 1008462), (26, 814527), (39, 543018), (42, 504231), (49, 432198), (63, 336154), (78, 271509), (91, 232722), (98, 216099), (117, 181006), (126, 168077), (147, 144066), (182, 116361), (234, 90503), (273, 77574), (294, 72033), (441, 48022), (546, 38787), (637, 33246), (819, 25858), (882, 24011), (1274, 16623), (1638, 12929), (1847, 11466), (1911, 11082), (3694, 5733), (3822, 5541)]