21710312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10987}}^1$

素因数の和:11025

約数の個数: 32

約数和(自身を含む): 46149600

約数和(自身を除く): 24439288

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10987, 21974, 43948, 87896, 142831, 208753, 285662, 417506, 571324, 835012, 1142648, 1670024, 2713789, 5427578, 10855156, 21710312]

約数ペア:

[(1, 21710312), (2, 10855156), (4, 5427578), (8, 2713789), (13, 1670024), (19, 1142648), (26, 835012), (38, 571324), (52, 417506), (76, 285662), (104, 208753), (152, 142831), (247, 87896), (494, 43948), (988, 21974), (1976, 10987)]