21200928

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4507}}^1$

素因数の和:4534

約数の個数: 72

約数和(自身を含む): 64752912

約数和(自身を除く): 43551984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4507, 4704, 9014, 13521, 18028, 27042, 31549, 36056, 54084, 63098, 72112, 94647, 108168, 126196, 144224, 189294, 216336, 220843, 252392, 378588, 432672, 441686, 504784, 662529, 757176, 883372, 1009568, 1325058, 1514352, 1766744, 2650116, 3028704, 3533488, 5300232, 7066976, 10600464, 21200928]

約数ペア:

[(1, 21200928), (2, 10600464), (3, 7066976), (4, 5300232), (6, 3533488), (7, 3028704), (8, 2650116), (12, 1766744), (14, 1514352), (16, 1325058), (21, 1009568), (24, 883372), (28, 757176), (32, 662529), (42, 504784), (48, 441686), (49, 432672), (56, 378588), (84, 252392), (96, 220843), (98, 216336), (112, 189294), (147, 144224), (168, 126196), (196, 108168), (224, 94647), (294, 72112), (336, 63098), (392, 54084), (588, 36056), (672, 31549), (784, 27042), (1176, 18028), (1568, 13521), (2352, 9014), (4507, 4704)]