21000739214

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{9007}}^1$

素因数の和:9609

約数の個数: 64

約数和(自身を含む): 40533405696

約数和(自身を除く): 19532666482

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 557, 598, 1114, 2093, 3899, 4186, 7241, 7798, 9007, 12811, 14482, 18014, 25622, 50687, 63049, 89677, 101374, 117091, 126098, 166543, 179354, 207161, 234182, 333086, 414322, 819637, 1165801, 1450127, 1639274, 2331602, 2693093, 2900254, 5016899, 5386186, 10033798, 18851651, 35118293, 37703302, 65219687, 70236586, 115388677, 130439374, 230777354, 456537809, 807720739, 913075618, 1500052801, 1615441478, 3000105602, 10500369607, 21000739214]

約数ペア:

[(1, 21000739214), (2, 10500369607), (7, 3000105602), (13, 1615441478), (14, 1500052801), (23, 913075618), (26, 807720739), (46, 456537809), (91, 230777354), (161, 130439374), (182, 115388677), (299, 70236586), (322, 65219687), (557, 37703302), (598, 35118293), (1114, 18851651), (2093, 10033798), (3899, 5386186), (4186, 5016899), (7241, 2900254), (7798, 2693093), (9007, 2331602), (12811, 1639274), (14482, 1450127), (18014, 1165801), (25622, 819637), (50687, 414322), (63049, 333086), (89677, 234182), (101374, 207161), (117091, 179354), (126098, 166543)]