21537609840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29913347}}^1$

素因数の和:29913366

約数の個数: 60

約数和(自身を含む): 72330475464

約数和(自身を除く): 50792865624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29913347, 59826694, 89740041, 119653388, 149566735, 179480082, 239306776, 269220123, 299133470, 358960164, 448700205, 478613552, 538440246, 598266940, 717920328, 897400410, 1076880492, 1196533880, 1346100615, 1435840656, 1794800820, 2153760984, 2393067760, 2692201230, 3589601640, 4307521968, 5384402460, 7179203280, 10768804920, 21537609840]

約数ペア:

[(1, 21537609840), (2, 10768804920), (3, 7179203280), (4, 5384402460), (5, 4307521968), (6, 3589601640), (8, 2692201230), (9, 2393067760), (10, 2153760984), (12, 1794800820), (15, 1435840656), (16, 1346100615), (18, 1196533880), (20, 1076880492), (24, 897400410), (30, 717920328), (36, 598266940), (40, 538440246), (45, 478613552), (48, 448700205), (60, 358960164), (72, 299133470), (80, 269220123), (90, 239306776), (120, 179480082), (144, 149566735), (180, 119653388), (240, 89740041), (360, 59826694), (720, 29913347)]