21949746

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5743}}^1$

素因数の和:5775

約数の個数: 48

約数和(自身を含む): 55004544

約数和(自身を除く): 33054798

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 5743, 11486, 17229, 34458, 40201, 74659, 80402, 120603, 149318, 223977, 241206, 281407, 447954, 522613, 562814, 844221, 1045226, 1567839, 1688442, 3135678, 3658291, 7316582, 10974873, 21949746]

約数ペア:

[(1, 21949746), (2, 10974873), (3, 7316582), (6, 3658291), (7, 3135678), (13, 1688442), (14, 1567839), (21, 1045226), (26, 844221), (39, 562814), (42, 522613), (49, 447954), (78, 281407), (91, 241206), (98, 223977), (147, 149318), (182, 120603), (273, 80402), (294, 74659), (546, 40201), (637, 34458), (1274, 17229), (1911, 11486), (3822, 5743)]