21588897668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{126307}}^1$

素因数の和:126516

約数の個数: 48

約数和(自身を含む): 43076080320

約数和(自身を除く): 21487182652

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 173, 247, 346, 494, 692, 988, 2249, 3287, 4498, 6574, 8996, 13148, 42731, 85462, 126307, 170924, 252614, 505228, 1641991, 2399833, 3283982, 4799666, 6567964, 9599332, 21851111, 31197829, 43702222, 62395658, 87404444, 124791316, 284064443, 415171109, 568128886, 830342218, 1136257772, 1660684436, 5397224417, 10794448834, 21588897668]

約数ペア:

[(1, 21588897668), (2, 10794448834), (4, 5397224417), (13, 1660684436), (19, 1136257772), (26, 830342218), (38, 568128886), (52, 415171109), (76, 284064443), (173, 124791316), (247, 87404444), (346, 62395658), (494, 43702222), (692, 31197829), (988, 21851111), (2249, 9599332), (3287, 6567964), (4498, 4799666), (6574, 3283982), (8996, 2399833), (13148, 1641991), (42731, 505228), (85462, 252614), (126307, 170924)]