21320856

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{17419}}^1$

素因数の和:17448

約数の個数: 48

約数和(自身を含む): 61144200

約数和(自身を除く): 39823344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 17419, 34838, 52257, 69676, 104514, 139352, 156771, 209028, 296123, 313542, 418056, 592246, 627084, 888369, 1184492, 1254168, 1776738, 2368984, 2665107, 3553476, 5330214, 7106952, 10660428, 21320856]

約数ペア:

[(1, 21320856), (2, 10660428), (3, 7106952), (4, 5330214), (6, 3553476), (8, 2665107), (9, 2368984), (12, 1776738), (17, 1254168), (18, 1184492), (24, 888369), (34, 627084), (36, 592246), (51, 418056), (68, 313542), (72, 296123), (102, 209028), (136, 156771), (153, 139352), (204, 104514), (306, 69676), (408, 52257), (612, 34838), (1224, 17419)]