21380736

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4283}}^1$

素因数の和:4313

約数の個数: 64

約数和(自身を含む): 61175520

約数和(自身を除く): 39794784

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 312, 384, 416, 624, 832, 1248, 1664, 2496, 4283, 4992, 8566, 12849, 17132, 25698, 34264, 51396, 55679, 68528, 102792, 111358, 137056, 167037, 205584, 222716, 274112, 334074, 411168, 445432, 548224, 668148, 822336, 890864, 1336296, 1644672, 1781728, 2672592, 3563456, 5345184, 7126912, 10690368, 21380736]

約数ペア:

[(1, 21380736), (2, 10690368), (3, 7126912), (4, 5345184), (6, 3563456), (8, 2672592), (12, 1781728), (13, 1644672), (16, 1336296), (24, 890864), (26, 822336), (32, 668148), (39, 548224), (48, 445432), (52, 411168), (64, 334074), (78, 274112), (96, 222716), (104, 205584), (128, 167037), (156, 137056), (192, 111358), (208, 102792), (312, 68528), (384, 55679), (416, 51396), (624, 34264), (832, 25698), (1248, 17132), (1664, 12849), (2496, 8566), (4283, 4992)]