21333816

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{6047}}^1$

素因数の和:6073

約数の個数: 72

約数和(自身を含む): 67223520

約数和(自身を除く): 45889704

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 6047, 12094, 18141, 24188, 36282, 42329, 48376, 54423, 72564, 84658, 108846, 126987, 145128, 169316, 217692, 253974, 296303, 338632, 380961, 435384, 507948, 592606, 761922, 888909, 1015896, 1185212, 1523844, 1777818, 2370424, 2666727, 3047688, 3555636, 5333454, 7111272, 10666908, 21333816]

約数ペア:

[(1, 21333816), (2, 10666908), (3, 7111272), (4, 5333454), (6, 3555636), (7, 3047688), (8, 2666727), (9, 2370424), (12, 1777818), (14, 1523844), (18, 1185212), (21, 1015896), (24, 888909), (28, 761922), (36, 592606), (42, 507948), (49, 435384), (56, 380961), (63, 338632), (72, 296303), (84, 253974), (98, 217692), (126, 169316), (147, 145128), (168, 126987), (196, 108846), (252, 84658), (294, 72564), (392, 54423), (441, 48376), (504, 42329), (588, 36282), (882, 24188), (1176, 18141), (1764, 12094), (3528, 6047)]