21827808

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{3989}}^1$

素因数の和:4024

約数の個数: 72

約数和(自身を含む): 65356200

約数和(自身を除く): 43528392

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, 3989, 5472, 7978, 11967, 15956, 23934, 31912, 35901, 47868, 63824, 71802, 75791, 95736, 127648, 143604, 151582, 191472, 227373, 287208, 303164, 382944, 454746, 574416, 606328, 682119, 909492, 1148832, 1212656, 1364238, 1818984, 2425312, 2728476, 3637968, 5456952, 7275936, 10913904, 21827808]

約数ペア:

[(1, 21827808), (2, 10913904), (3, 7275936), (4, 5456952), (6, 3637968), (8, 2728476), (9, 2425312), (12, 1818984), (16, 1364238), (18, 1212656), (19, 1148832), (24, 909492), (32, 682119), (36, 606328), (38, 574416), (48, 454746), (57, 382944), (72, 303164), (76, 287208), (96, 227373), (114, 191472), (144, 151582), (152, 143604), (171, 127648), (228, 95736), (288, 75791), (304, 71802), (342, 63824), (456, 47868), (608, 35901), (684, 31912), (912, 23934), (1368, 15956), (1824, 11967), (2736, 7978), (3989, 5472)]