21195818040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{577}}^1\times {\mathrm{306121}}^1$

素因数の和:306712

約数の個数: 64

約数和(自身を含む): 63697865760

約数和(自身を除く): 42502047720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 577, 1154, 1731, 2308, 2885, 3462, 4616, 5770, 6924, 8655, 11540, 13848, 17310, 23080, 34620, 69240, 306121, 612242, 918363, 1224484, 1530605, 1836726, 2448968, 3061210, 3673452, 4591815, 6122420, 7346904, 9183630, 12244840, 18367260, 36734520, 176631817, 353263634, 529895451, 706527268, 883159085, 1059790902, 1413054536, 1766318170, 2119581804, 2649477255, 3532636340, 4239163608, 5298954510, 7065272680, 10597909020, 21195818040]

約数ペア:

[(1, 21195818040), (2, 10597909020), (3, 7065272680), (4, 5298954510), (5, 4239163608), (6, 3532636340), (8, 2649477255), (10, 2119581804), (12, 1766318170), (15, 1413054536), (20, 1059790902), (24, 883159085), (30, 706527268), (40, 529895451), (60, 353263634), (120, 176631817), (577, 36734520), (1154, 18367260), (1731, 12244840), (2308, 9183630), (2885, 7346904), (3462, 6122420), (4616, 4591815), (5770, 3673452), (6924, 3061210), (8655, 2448968), (11540, 1836726), (13848, 1530605), (17310, 1224484), (23080, 918363), (34620, 612242), (69240, 306121)]