21125632

素因数分解:

$2^9\times {\mathrm{11}}^3\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 80

約数和(自身を含む): 47925504

約数和(自身を除く): 26799872

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 121, 124, 128, 176, 242, 248, 256, 341, 352, 484, 496, 512, 682, 704, 968, 992, 1331, 1364, 1408, 1936, 1984, 2662, 2728, 2816, 3751, 3872, 3968, 5324, 5456, 5632, 7502, 7744, 7936, 10648, 10912, 15004, 15488, 15872, 21296, 21824, 30008, 30976, 41261, 42592, 43648, 60016, 61952, 82522, 85184, 87296, 120032, 165044, 170368, 174592, 240064, 330088, 340736, 480128, 660176, 681472, 960256, 1320352, 1920512, 2640704, 5281408, 10562816, 21125632]

約数ペア:

[(1, 21125632), (2, 10562816), (4, 5281408), (8, 2640704), (11, 1920512), (16, 1320352), (22, 960256), (31, 681472), (32, 660176), (44, 480128), (62, 340736), (64, 330088), (88, 240064), (121, 174592), (124, 170368), (128, 165044), (176, 120032), (242, 87296), (248, 85184), (256, 82522), (341, 61952), (352, 60016), (484, 43648), (496, 42592), (512, 41261), (682, 30976), (704, 30008), (968, 21824), (992, 21296), (1331, 15872), (1364, 15488), (1408, 15004), (1936, 10912), (1984, 10648), (2662, 7936), (2728, 7744), (2816, 7502), (3751, 5632), (3872, 5456), (3968, 5324)]