21707424

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{3967}}^1$

素因数の和:4002

約数の個数: 72

約数和(自身を含む): 64995840

約数和(自身を除く): 43288416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 3967, 5472, 7934, 11901, 15868, 23802, 31736, 35703, 47604, 63472, 71406, 75373, 95208, 126944, 142812, 150746, 190416, 226119, 285624, 301492, 380832, 452238, 571248, 602984, 678357, 904476, 1142496, 1205968, 1356714, 1808952, 2411936, 2713428, 3617904, 5426856, 7235808, 10853712, 21707424]

約数ペア:

[(1, 21707424), (2, 10853712), (3, 7235808), (4, 5426856), (6, 3617904), (8, 2713428), (9, 2411936), (12, 1808952), (16, 1356714), (18, 1205968), (19, 1142496), (24, 904476), (32, 678357), (36, 602984), (38, 571248), (48, 452238), (57, 380832), (72, 301492), (76, 285624), (96, 226119), (114, 190416), (144, 150746), (152, 142812), (171, 126944), (228, 95208), (288, 75373), (304, 71406), (342, 63472), (456, 47604), (608, 35703), (684, 31736), (912, 23802), (1368, 15868), (1824, 11901), (2736, 7934), (3967, 5472)]