21034490493

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{55501}}^1$

素因数の和:55693

約数の個数: 32

約数和(自身を含む): 30281891200

約数和(自身を除く): 9247400707

約数列:

[1, 3, 19, 57, 61, 109, 183, 327, 1159, 2071, 3477, 6213, 6649, 19947, 55501, 126331, 166503, 378993, 1054519, 3163557, 3385561, 6049609, 10156683, 18148827, 64325659, 114942571, 192976977, 344827713, 369026149, 1107078447, 7011496831, 21034490493]

約数ペア:

[(1, 21034490493), (3, 7011496831), (19, 1107078447), (57, 369026149), (61, 344827713), (109, 192976977), (183, 114942571), (327, 64325659), (1159, 18148827), (2071, 10156683), (3477, 6049609), (6213, 3385561), (6649, 3163557), (19947, 1054519), (55501, 378993), (126331, 166503)]