21921432

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4133}}^1$

素因数の和:4172

約数の個数: 64

約数和(自身を含む): 62506080

約数和(自身を除く): 40584648

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 102, 104, 136, 156, 204, 221, 312, 408, 442, 663, 884, 1326, 1768, 2652, 4133, 5304, 8266, 12399, 16532, 24798, 33064, 49596, 53729, 70261, 99192, 107458, 140522, 161187, 210783, 214916, 281044, 322374, 421566, 429832, 562088, 644748, 843132, 913393, 1289496, 1686264, 1826786, 2740179, 3653572, 5480358, 7307144, 10960716, 21921432]

約数ペア:

[(1, 21921432), (2, 10960716), (3, 7307144), (4, 5480358), (6, 3653572), (8, 2740179), (12, 1826786), (13, 1686264), (17, 1289496), (24, 913393), (26, 843132), (34, 644748), (39, 562088), (51, 429832), (52, 421566), (68, 322374), (78, 281044), (102, 214916), (104, 210783), (136, 161187), (156, 140522), (204, 107458), (221, 99192), (312, 70261), (408, 53729), (442, 49596), (663, 33064), (884, 24798), (1326, 16532), (1768, 12399), (2652, 8266), (4133, 5304)]