21708868053

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{521}}^1\times {\mathrm{1171}}^1$

素因数の和:2133

約数の個数: 32

約数和(自身を含む): 30099772800

約数和(自身を除く): 8390904747

約数列:

[1, 3, 29, 87, 409, 521, 1171, 1227, 1563, 3513, 11861, 15109, 33959, 35583, 45327, 101877, 213089, 478939, 610091, 639267, 1436817, 1830273, 6179581, 13889231, 17692639, 18538743, 41667693, 53077917, 249527219, 748581657, 7236289351, 21708868053]

約数ペア:

[(1, 21708868053), (3, 7236289351), (29, 748581657), (87, 249527219), (409, 53077917), (521, 41667693), (1171, 18538743), (1227, 17692639), (1563, 13889231), (3513, 6179581), (11861, 1830273), (15109, 1436817), (33959, 639267), (35583, 610091), (45327, 478939), (101877, 213089)]