21492660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{701}}^1$

素因数の和:793

約数の個数: 96

約数和(自身を含む): 69818112

約数和(自身を除く): 48325452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 140, 146, 210, 219, 292, 365, 420, 438, 511, 701, 730, 876, 1022, 1095, 1402, 1460, 1533, 2044, 2103, 2190, 2555, 2804, 3066, 3505, 4206, 4380, 4907, 5110, 6132, 7010, 7665, 8412, 9814, 10220, 10515, 14020, 14721, 15330, 19628, 21030, 24535, 29442, 30660, 42060, 49070, 51173, 58884, 73605, 98140, 102346, 147210, 153519, 204692, 255865, 294420, 307038, 358211, 511730, 614076, 716422, 767595, 1023460, 1074633, 1432844, 1535190, 1791055, 2149266, 3070380, 3582110, 4298532, 5373165, 7164220, 10746330, 21492660]

約数ペア:

[(1, 21492660), (2, 10746330), (3, 7164220), (4, 5373165), (5, 4298532), (6, 3582110), (7, 3070380), (10, 2149266), (12, 1791055), (14, 1535190), (15, 1432844), (20, 1074633), (21, 1023460), (28, 767595), (30, 716422), (35, 614076), (42, 511730), (60, 358211), (70, 307038), (73, 294420), (84, 255865), (105, 204692), (140, 153519), (146, 147210), (210, 102346), (219, 98140), (292, 73605), (365, 58884), (420, 51173), (438, 49070), (511, 42060), (701, 30660), (730, 29442), (876, 24535), (1022, 21030), (1095, 19628), (1402, 15330), (1460, 14721), (1533, 14020), (2044, 10515), (2103, 10220), (2190, 9814), (2555, 8412), (2804, 7665), (3066, 7010), (3505, 6132), (4206, 5110), (4380, 4907)]