21471044

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 44876160

約数和(自身を除く): 23405116

約数列:

[1, 2, 4, 7, 14, 28, 41, 59, 82, 118, 164, 236, 287, 317, 413, 574, 634, 826, 1148, 1268, 1652, 2219, 2419, 4438, 4838, 8876, 9676, 12997, 16933, 18703, 25994, 33866, 37406, 51988, 67732, 74812, 90979, 130921, 181958, 261842, 363916, 523684, 766823, 1533646, 3067292, 5367761, 10735522, 21471044]

約数ペア:

[(1, 21471044), (2, 10735522), (4, 5367761), (7, 3067292), (14, 1533646), (28, 766823), (41, 523684), (59, 363916), (82, 261842), (118, 181958), (164, 130921), (236, 90979), (287, 74812), (317, 67732), (413, 51988), (574, 37406), (634, 33866), (826, 25994), (1148, 18703), (1268, 16933), (1652, 12997), (2219, 9676), (2419, 8876), (4438, 4838)]