21570744

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1471}}^1$

素因数の和:1540

約数の個数: 64

約数和(自身を含む): 59351040

約数和(自身を除く): 37780296

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 47, 52, 78, 94, 104, 141, 156, 188, 282, 312, 376, 564, 611, 1128, 1222, 1471, 1833, 2444, 2942, 3666, 4413, 4888, 5884, 7332, 8826, 11768, 14664, 17652, 19123, 35304, 38246, 57369, 69137, 76492, 114738, 138274, 152984, 207411, 229476, 276548, 414822, 458952, 553096, 829644, 898781, 1659288, 1797562, 2696343, 3595124, 5392686, 7190248, 10785372, 21570744]

約数ペア:

[(1, 21570744), (2, 10785372), (3, 7190248), (4, 5392686), (6, 3595124), (8, 2696343), (12, 1797562), (13, 1659288), (24, 898781), (26, 829644), (39, 553096), (47, 458952), (52, 414822), (78, 276548), (94, 229476), (104, 207411), (141, 152984), (156, 138274), (188, 114738), (282, 76492), (312, 69137), (376, 57369), (564, 38246), (611, 35304), (1128, 19123), (1222, 17652), (1471, 14664), (1833, 11768), (2444, 8826), (2942, 7332), (3666, 5884), (4413, 4888)]