21502166

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 38465280

約数和(自身を除く): 16963114

約数列:

[1, 2, 7, 14, 29, 58, 203, 211, 251, 406, 422, 502, 1477, 1757, 2954, 3514, 6119, 7279, 12238, 14558, 42833, 50953, 52961, 85666, 101906, 105922, 370727, 741454, 1535869, 3071738, 10751083, 21502166]

約数ペア:

[(1, 21502166), (2, 10751083), (7, 3071738), (14, 1535869), (29, 741454), (58, 370727), (203, 105922), (211, 101906), (251, 85666), (406, 52961), (422, 50953), (502, 42833), (1477, 14558), (1757, 12238), (2954, 7279), (3514, 6119)]