21312003456

素因数分解:

$2^7\times 3^2\times {\mathrm{421}}^1\times {\mathrm{43943}}^1$

素因数の和:44384

約数の個数: 96

約数和(自身を含む): 61474579920

約数和(自身を除く): 40162576464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 421, 576, 842, 1152, 1263, 1684, 2526, 3368, 3789, 5052, 6736, 7578, 10104, 13472, 15156, 20208, 26944, 30312, 40416, 43943, 53888, 60624, 80832, 87886, 121248, 131829, 161664, 175772, 242496, 263658, 351544, 395487, 484992, 527316, 703088, 790974, 1054632, 1406176, 1581948, 2109264, 2812352, 3163896, 4218528, 5624704, 6327792, 8437056, 12655584, 16874112, 18500003, 25311168, 37000006, 50622336, 55500009, 74000012, 111000018, 148000024, 166500027, 222000036, 296000048, 333000054, 444000072, 592000096, 666000108, 888000144, 1184000192, 1332000216, 1776000288, 2368000384, 2664000432, 3552000576, 5328000864, 7104001152, 10656001728, 21312003456]

約数ペア:

[(1, 21312003456), (2, 10656001728), (3, 7104001152), (4, 5328000864), (6, 3552000576), (8, 2664000432), (9, 2368000384), (12, 1776000288), (16, 1332000216), (18, 1184000192), (24, 888000144), (32, 666000108), (36, 592000096), (48, 444000072), (64, 333000054), (72, 296000048), (96, 222000036), (128, 166500027), (144, 148000024), (192, 111000018), (288, 74000012), (384, 55500009), (421, 50622336), (576, 37000006), (842, 25311168), (1152, 18500003), (1263, 16874112), (1684, 12655584), (2526, 8437056), (3368, 6327792), (3789, 5624704), (5052, 4218528), (6736, 3163896), (7578, 2812352), (10104, 2109264), (13472, 1581948), (15156, 1406176), (20208, 1054632), (26944, 790974), (30312, 703088), (40416, 527316), (43943, 484992), (53888, 395487), (60624, 351544), (80832, 263658), (87886, 242496), (121248, 175772), (131829, 161664)]