21246899200

素因数分解:

$2^{10}\times 5^2\times {\mathrm{17}}^1\times {\mathrm{48821}}^1$

素因数の和:48868

約数の個数: 132

約数和(自身を含む): 55765757772

約数和(自身を除く): 34518858572

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 200, 256, 272, 320, 340, 400, 425, 512, 544, 640, 680, 800, 850, 1024, 1088, 1280, 1360, 1600, 1700, 2176, 2560, 2720, 3200, 3400, 4352, 5120, 5440, 6400, 6800, 8704, 10880, 12800, 13600, 17408, 21760, 25600, 27200, 43520, 48821, 54400, 87040, 97642, 108800, 195284, 217600, 244105, 390568, 435200, 488210, 781136, 829957, 976420, 1220525, 1562272, 1659914, 1952840, 2441050, 3124544, 3319828, 3905680, 4149785, 4882100, 6249088, 6639656, 7811360, 8299570, 9764200, 12498176, 13279312, 15622720, 16599140, 19528400, 20748925, 24996352, 26558624, 31245440, 33198280, 39056800, 41497850, 49992704, 53117248, 62490880, 66396560, 78113600, 82995700, 106234496, 124981760, 132793120, 156227200, 165991400, 212468992, 249963520, 265586240, 312454400, 331982800, 424937984, 531172480, 624908800, 663965600, 849875968, 1062344960, 1249817600, 1327931200, 2124689920, 2655862400, 4249379840, 5311724800, 10623449600, 21246899200]

約数ペア:

[(1, 21246899200), (2, 10623449600), (4, 5311724800), (5, 4249379840), (8, 2655862400), (10, 2124689920), (16, 1327931200), (17, 1249817600), (20, 1062344960), (25, 849875968), (32, 663965600), (34, 624908800), (40, 531172480), (50, 424937984), (64, 331982800), (68, 312454400), (80, 265586240), (85, 249963520), (100, 212468992), (128, 165991400), (136, 156227200), (160, 132793120), (170, 124981760), (200, 106234496), (256, 82995700), (272, 78113600), (320, 66396560), (340, 62490880), (400, 53117248), (425, 49992704), (512, 41497850), (544, 39056800), (640, 33198280), (680, 31245440), (800, 26558624), (850, 24996352), (1024, 20748925), (1088, 19528400), (1280, 16599140), (1360, 15622720), (1600, 13279312), (1700, 12498176), (2176, 9764200), (2560, 8299570), (2720, 7811360), (3200, 6639656), (3400, 6249088), (4352, 4882100), (5120, 4149785), (5440, 3905680), (6400, 3319828), (6800, 3124544), (8704, 2441050), (10880, 1952840), (12800, 1659914), (13600, 1562272), (17408, 1220525), (21760, 976420), (25600, 829957), (27200, 781136), (43520, 488210), (48821, 435200), (54400, 390568), (87040, 244105), (97642, 217600), (108800, 195284)]