21031766970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1\times {\mathrm{16267}}^1$

素因数の和:16955

約数の個数: 64

約数和(自身を含む): 51274653696

約数和(自身を除く): 30242886726

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 607, 710, 1065, 1214, 1821, 2130, 3035, 3642, 6070, 9105, 16267, 18210, 32534, 43097, 48801, 81335, 86194, 97602, 129291, 162670, 215485, 244005, 258582, 430970, 488010, 646455, 1154957, 1292910, 2309914, 3464871, 5774785, 6929742, 9874069, 11549570, 17324355, 19748138, 29622207, 34648710, 49370345, 59244414, 98740690, 148111035, 296222070, 701058899, 1402117798, 2103176697, 3505294495, 4206353394, 7010588990, 10515883485, 21031766970]

約数ペア:

[(1, 21031766970), (2, 10515883485), (3, 7010588990), (5, 4206353394), (6, 3505294495), (10, 2103176697), (15, 1402117798), (30, 701058899), (71, 296222070), (142, 148111035), (213, 98740690), (355, 59244414), (426, 49370345), (607, 34648710), (710, 29622207), (1065, 19748138), (1214, 17324355), (1821, 11549570), (2130, 9874069), (3035, 6929742), (3642, 5774785), (6070, 3464871), (9105, 2309914), (16267, 1292910), (18210, 1154957), (32534, 646455), (43097, 488010), (48801, 430970), (81335, 258582), (86194, 244005), (97602, 215485), (129291, 162670)]