21673360801

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1\times {\mathrm{691}}^1$

素因数の和:1141

約数の個数: 32

約数和(自身を含む): 23437209600

約数和(自身を除く): 1763848799

約数列:

[1, 29, 31, 139, 251, 691, 899, 4031, 4309, 7279, 7781, 20039, 21421, 34889, 96049, 124961, 173441, 225649, 621209, 1011781, 1081559, 2785421, 2977519, 5029789, 5376671, 24108299, 31365211, 86348051, 155923459, 699140671, 747357269, 21673360801]

約数ペア:

[(1, 21673360801), (29, 747357269), (31, 699140671), (139, 155923459), (251, 86348051), (691, 31365211), (899, 24108299), (4031, 5376671), (4309, 5029789), (7279, 2977519), (7781, 2785421), (20039, 1081559), (21421, 1011781), (34889, 621209), (96049, 225649), (124961, 173441)]