21655452

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2833}}^1$

素因数の和:2867

約数の個数: 72

約数和(自身を含む): 63322896

約数和(自身を除く): 41667444

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 2833, 3822, 5666, 7644, 8499, 11332, 16998, 19831, 33996, 36829, 39662, 59493, 73658, 79324, 110487, 118986, 138817, 147316, 220974, 237972, 257803, 277634, 416451, 441948, 515606, 555268, 773409, 832902, 1031212, 1546818, 1665804, 1804621, 3093636, 3609242, 5413863, 7218484, 10827726, 21655452]

約数ペア:

[(1, 21655452), (2, 10827726), (3, 7218484), (4, 5413863), (6, 3609242), (7, 3093636), (12, 1804621), (13, 1665804), (14, 1546818), (21, 1031212), (26, 832902), (28, 773409), (39, 555268), (42, 515606), (49, 441948), (52, 416451), (78, 277634), (84, 257803), (91, 237972), (98, 220974), (147, 147316), (156, 138817), (182, 118986), (196, 110487), (273, 79324), (294, 73658), (364, 59493), (546, 39662), (588, 36829), (637, 33996), (1092, 19831), (1274, 16998), (1911, 11332), (2548, 8499), (2833, 7644), (3822, 5666)]