21291242976

素因数分解:

$2^5\times 3^2\times {\mathrm{1097}}^1\times {\mathrm{67391}}^1$

素因数の和:68504

約数の個数: 72

約数和(自身を含む): 60603064704

約数和(自身を除く): 39311821728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 1097, 2194, 3291, 4388, 6582, 8776, 9873, 13164, 17552, 19746, 26328, 35104, 39492, 52656, 67391, 78984, 105312, 134782, 157968, 202173, 269564, 315936, 404346, 539128, 606519, 808692, 1078256, 1213038, 1617384, 2156512, 2426076, 3234768, 4852152, 6469536, 9704304, 19408608, 73927927, 147855854, 221783781, 295711708, 443567562, 591423416, 665351343, 887135124, 1182846832, 1330702686, 1774270248, 2365693664, 2661405372, 3548540496, 5322810744, 7097080992, 10645621488, 21291242976]

約数ペア:

[(1, 21291242976), (2, 10645621488), (3, 7097080992), (4, 5322810744), (6, 3548540496), (8, 2661405372), (9, 2365693664), (12, 1774270248), (16, 1330702686), (18, 1182846832), (24, 887135124), (32, 665351343), (36, 591423416), (48, 443567562), (72, 295711708), (96, 221783781), (144, 147855854), (288, 73927927), (1097, 19408608), (2194, 9704304), (3291, 6469536), (4388, 4852152), (6582, 3234768), (8776, 2426076), (9873, 2156512), (13164, 1617384), (17552, 1213038), (19746, 1078256), (26328, 808692), (35104, 606519), (39492, 539128), (52656, 404346), (67391, 315936), (78984, 269564), (105312, 202173), (134782, 157968)]