21246204

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1571}}^1$

素因数の和:1615

約数の個数: 72

約数和(自身を含む): 60213888

約数和(自身を除く): 38967684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 49, 69, 84, 92, 98, 138, 147, 161, 196, 276, 294, 322, 483, 588, 644, 966, 1127, 1571, 1932, 2254, 3142, 3381, 4508, 4713, 6284, 6762, 9426, 10997, 13524, 18852, 21994, 32991, 36133, 43988, 65982, 72266, 76979, 108399, 131964, 144532, 153958, 216798, 230937, 252931, 307916, 433596, 461874, 505862, 758793, 923748, 1011724, 1517586, 1770517, 3035172, 3541034, 5311551, 7082068, 10623102, 21246204]

約数ペア:

[(1, 21246204), (2, 10623102), (3, 7082068), (4, 5311551), (6, 3541034), (7, 3035172), (12, 1770517), (14, 1517586), (21, 1011724), (23, 923748), (28, 758793), (42, 505862), (46, 461874), (49, 433596), (69, 307916), (84, 252931), (92, 230937), (98, 216798), (138, 153958), (147, 144532), (161, 131964), (196, 108399), (276, 76979), (294, 72266), (322, 65982), (483, 43988), (588, 36133), (644, 32991), (966, 21994), (1127, 18852), (1571, 13524), (1932, 10997), (2254, 9426), (3142, 6762), (3381, 6284), (4508, 4713)]