21409504

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1531}}^1$

素因数の和:1583

約数の個数: 48

約数和(自身を含む): 46327680

約数和(自身を除く): 24918176

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 76, 92, 152, 184, 304, 368, 437, 608, 736, 874, 1531, 1748, 3062, 3496, 6124, 6992, 12248, 13984, 24496, 29089, 35213, 48992, 58178, 70426, 116356, 140852, 232712, 281704, 465424, 563408, 669047, 930848, 1126816, 1338094, 2676188, 5352376, 10704752, 21409504]

約数ペア:

[(1, 21409504), (2, 10704752), (4, 5352376), (8, 2676188), (16, 1338094), (19, 1126816), (23, 930848), (32, 669047), (38, 563408), (46, 465424), (76, 281704), (92, 232712), (152, 140852), (184, 116356), (304, 70426), (368, 58178), (437, 48992), (608, 35213), (736, 29089), (874, 24496), (1531, 13984), (1748, 12248), (3062, 6992), (3496, 6124)]