21243200

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 168

約数和(自身を含む): 61228224

約数和(自身を除く): 39985024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 25, 32, 34, 40, 44, 50, 55, 64, 68, 71, 80, 85, 88, 100, 110, 136, 142, 160, 170, 176, 187, 200, 220, 272, 275, 284, 320, 340, 352, 355, 374, 400, 425, 440, 544, 550, 568, 680, 704, 710, 748, 781, 800, 850, 880, 935, 1088, 1100, 1136, 1207, 1360, 1420, 1496, 1562, 1600, 1700, 1760, 1775, 1870, 2200, 2272, 2414, 2720, 2840, 2992, 3124, 3400, 3520, 3550, 3740, 3905, 4400, 4544, 4675, 4828, 5440, 5680, 5984, 6035, 6248, 6800, 7100, 7480, 7810, 8800, 9350, 9656, 11360, 11968, 12070, 12496, 13277, 13600, 14200, 14960, 15620, 17600, 18700, 19312, 19525, 22720, 24140, 24992, 26554, 27200, 28400, 29920, 30175, 31240, 37400, 38624, 39050, 48280, 49984, 53108, 56800, 59840, 60350, 62480, 66385, 74800, 77248, 78100, 96560, 106216, 113600, 120700, 124960, 132770, 149600, 156200, 193120, 212432, 241400, 249920, 265540, 299200, 312400, 331925, 386240, 424864, 482800, 531080, 624800, 663850, 849728, 965600, 1062160, 1249600, 1327700, 1931200, 2124320, 2655400, 4248640, 5310800, 10621600, 21243200]

約数ペア:

[(1, 21243200), (2, 10621600), (4, 5310800), (5, 4248640), (8, 2655400), (10, 2124320), (11, 1931200), (16, 1327700), (17, 1249600), (20, 1062160), (22, 965600), (25, 849728), (32, 663850), (34, 624800), (40, 531080), (44, 482800), (50, 424864), (55, 386240), (64, 331925), (68, 312400), (71, 299200), (80, 265540), (85, 249920), (88, 241400), (100, 212432), (110, 193120), (136, 156200), (142, 149600), (160, 132770), (170, 124960), (176, 120700), (187, 113600), (200, 106216), (220, 96560), (272, 78100), (275, 77248), (284, 74800), (320, 66385), (340, 62480), (352, 60350), (355, 59840), (374, 56800), (400, 53108), (425, 49984), (440, 48280), (544, 39050), (550, 38624), (568, 37400), (680, 31240), (704, 30175), (710, 29920), (748, 28400), (781, 27200), (800, 26554), (850, 24992), (880, 24140), (935, 22720), (1088, 19525), (1100, 19312), (1136, 18700), (1207, 17600), (1360, 15620), (1420, 14960), (1496, 14200), (1562, 13600), (1600, 13277), (1700, 12496), (1760, 12070), (1775, 11968), (1870, 11360), (2200, 9656), (2272, 9350), (2414, 8800), (2720, 7810), (2840, 7480), (2992, 7100), (3124, 6800), (3400, 6248), (3520, 6035), (3550, 5984), (3740, 5680), (3905, 5440), (4400, 4828), (4544, 4675)]