21358920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1471}}^1$

素因数の和:1507

約数の個数: 96

約数和(自身を含む): 70479360

約数和(自身を除く): 49120440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 220, 242, 264, 330, 363, 440, 484, 605, 660, 726, 968, 1210, 1320, 1452, 1471, 1815, 2420, 2904, 2942, 3630, 4413, 4840, 5884, 7260, 7355, 8826, 11768, 14520, 14710, 16181, 17652, 22065, 29420, 32362, 35304, 44130, 48543, 58840, 64724, 80905, 88260, 97086, 129448, 161810, 176520, 177991, 194172, 242715, 323620, 355982, 388344, 485430, 533973, 647240, 711964, 889955, 970860, 1067946, 1423928, 1779910, 1941720, 2135892, 2669865, 3559820, 4271784, 5339730, 7119640, 10679460, 21358920]

約数ペア:

[(1, 21358920), (2, 10679460), (3, 7119640), (4, 5339730), (5, 4271784), (6, 3559820), (8, 2669865), (10, 2135892), (11, 1941720), (12, 1779910), (15, 1423928), (20, 1067946), (22, 970860), (24, 889955), (30, 711964), (33, 647240), (40, 533973), (44, 485430), (55, 388344), (60, 355982), (66, 323620), (88, 242715), (110, 194172), (120, 177991), (121, 176520), (132, 161810), (165, 129448), (220, 97086), (242, 88260), (264, 80905), (330, 64724), (363, 58840), (440, 48543), (484, 44130), (605, 35304), (660, 32362), (726, 29420), (968, 22065), (1210, 17652), (1320, 16181), (1452, 14710), (1471, 14520), (1815, 11768), (2420, 8826), (2904, 7355), (2942, 7260), (3630, 5884), (4413, 4840)]