21720793806

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{1597}}^1\times {\mathrm{39769}}^1$

素因数の和:41393

約数の個数: 48

約数和(自身を含む): 49570918800

約数和(自身を除く): 27850124994

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 1597, 3194, 4791, 9582, 14373, 28746, 30343, 39769, 60686, 79538, 91029, 119307, 182058, 238614, 273087, 357921, 546174, 715842, 755611, 1511222, 2266833, 4533666, 6800499, 13600998, 63511093, 127022186, 190533279, 381066558, 571599837, 1143199674, 1206710767, 2413421534, 3620132301, 7240264602, 10860396903, 21720793806]

約数ペア:

[(1, 21720793806), (2, 10860396903), (3, 7240264602), (6, 3620132301), (9, 2413421534), (18, 1206710767), (19, 1143199674), (38, 571599837), (57, 381066558), (114, 190533279), (171, 127022186), (342, 63511093), (1597, 13600998), (3194, 6800499), (4791, 4533666), (9582, 2266833), (14373, 1511222), (28746, 755611), (30343, 715842), (39769, 546174), (60686, 357921), (79538, 273087), (91029, 238614), (119307, 182058)]