21563600

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:133

約数の個数: 120

約数和(自身を含む): 56091648

約数和(自身を除く): 34528048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 37, 40, 47, 50, 62, 74, 80, 94, 100, 124, 148, 155, 185, 188, 200, 235, 248, 296, 310, 370, 376, 400, 470, 496, 592, 620, 740, 752, 775, 925, 940, 1147, 1175, 1240, 1457, 1480, 1550, 1739, 1850, 1880, 2294, 2350, 2480, 2914, 2960, 3100, 3478, 3700, 3760, 4588, 4700, 5735, 5828, 6200, 6956, 7285, 7400, 8695, 9176, 9400, 11470, 11656, 12400, 13912, 14570, 14800, 17390, 18352, 18800, 22940, 23312, 27824, 28675, 29140, 34780, 36425, 43475, 45880, 53909, 57350, 58280, 69560, 72850, 86950, 91760, 107818, 114700, 116560, 139120, 145700, 173900, 215636, 229400, 269545, 291400, 347800, 431272, 458800, 539090, 582800, 695600, 862544, 1078180, 1347725, 2156360, 2695450, 4312720, 5390900, 10781800, 21563600]

約数ペア:

[(1, 21563600), (2, 10781800), (4, 5390900), (5, 4312720), (8, 2695450), (10, 2156360), (16, 1347725), (20, 1078180), (25, 862544), (31, 695600), (37, 582800), (40, 539090), (47, 458800), (50, 431272), (62, 347800), (74, 291400), (80, 269545), (94, 229400), (100, 215636), (124, 173900), (148, 145700), (155, 139120), (185, 116560), (188, 114700), (200, 107818), (235, 91760), (248, 86950), (296, 72850), (310, 69560), (370, 58280), (376, 57350), (400, 53909), (470, 45880), (496, 43475), (592, 36425), (620, 34780), (740, 29140), (752, 28675), (775, 27824), (925, 23312), (940, 22940), (1147, 18800), (1175, 18352), (1240, 17390), (1457, 14800), (1480, 14570), (1550, 13912), (1739, 12400), (1850, 11656), (1880, 11470), (2294, 9400), (2350, 9176), (2480, 8695), (2914, 7400), (2960, 7285), (3100, 6956), (3478, 6200), (3700, 5828), (3760, 5735), (4588, 4700)]