21292464

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:698

約数の個数: 80

約数和(自身を含む): 59559680

約数和(自身を除く): 38267216

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 37, 38, 48, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 304, 444, 456, 592, 631, 703, 888, 912, 1262, 1406, 1776, 1893, 2109, 2524, 2812, 3786, 4218, 5048, 5624, 7572, 8436, 10096, 11248, 11989, 15144, 16872, 23347, 23978, 30288, 33744, 35967, 46694, 47956, 70041, 71934, 93388, 95912, 140082, 143868, 186776, 191824, 280164, 287736, 373552, 443593, 560328, 575472, 887186, 1120656, 1330779, 1774372, 2661558, 3548744, 5323116, 7097488, 10646232, 21292464]

約数ペア:

[(1, 21292464), (2, 10646232), (3, 7097488), (4, 5323116), (6, 3548744), (8, 2661558), (12, 1774372), (16, 1330779), (19, 1120656), (24, 887186), (37, 575472), (38, 560328), (48, 443593), (57, 373552), (74, 287736), (76, 280164), (111, 191824), (114, 186776), (148, 143868), (152, 140082), (222, 95912), (228, 93388), (296, 71934), (304, 70041), (444, 47956), (456, 46694), (592, 35967), (631, 33744), (703, 30288), (888, 23978), (912, 23347), (1262, 16872), (1406, 15144), (1776, 11989), (1893, 11248), (2109, 10096), (2524, 8436), (2812, 7572), (3786, 5624), (4218, 5048)]