21496800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1$

素因数の和:102

約数の個数: 216

約数和(自身を含む): 77198184

約数和(自身を除く): 55701384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 53, 60, 65, 75, 78, 80, 96, 100, 104, 106, 120, 130, 150, 156, 159, 160, 169, 195, 200, 208, 212, 240, 260, 265, 300, 312, 318, 325, 338, 390, 400, 416, 424, 480, 507, 520, 530, 600, 624, 636, 650, 676, 689, 780, 795, 800, 845, 848, 975, 1014, 1040, 1060, 1200, 1248, 1272, 1300, 1325, 1352, 1378, 1560, 1590, 1690, 1696, 1950, 2028, 2067, 2080, 2120, 2400, 2535, 2544, 2600, 2650, 2704, 2756, 3120, 3180, 3380, 3445, 3900, 3975, 4056, 4134, 4225, 4240, 5070, 5088, 5200, 5300, 5408, 5512, 6240, 6360, 6760, 6890, 7800, 7950, 8112, 8268, 8450, 8480, 8957, 10140, 10335, 10400, 10600, 11024, 12675, 12720, 13520, 13780, 15600, 15900, 16224, 16536, 16900, 17225, 17914, 20280, 20670, 21200, 22048, 25350, 25440, 26871, 27040, 27560, 31200, 31800, 33072, 33800, 34450, 35828, 40560, 41340, 42400, 44785, 50700, 51675, 53742, 55120, 63600, 66144, 67600, 68900, 71656, 81120, 82680, 89570, 101400, 103350, 107484, 110240, 127200, 134355, 135200, 137800, 143312, 165360, 179140, 202800, 206700, 214968, 223925, 268710, 275600, 286624, 330720, 358280, 405600, 413400, 429936, 447850, 537420, 551200, 671775, 716560, 826800, 859872, 895700, 1074840, 1343550, 1433120, 1653600, 1791400, 2149680, 2687100, 3582800, 4299360, 5374200, 7165600, 10748400, 21496800]

約数ペア:

[(1, 21496800), (2, 10748400), (3, 7165600), (4, 5374200), (5, 4299360), (6, 3582800), (8, 2687100), (10, 2149680), (12, 1791400), (13, 1653600), (15, 1433120), (16, 1343550), (20, 1074840), (24, 895700), (25, 859872), (26, 826800), (30, 716560), (32, 671775), (39, 551200), (40, 537420), (48, 447850), (50, 429936), (52, 413400), (53, 405600), (60, 358280), (65, 330720), (75, 286624), (78, 275600), (80, 268710), (96, 223925), (100, 214968), (104, 206700), (106, 202800), (120, 179140), (130, 165360), (150, 143312), (156, 137800), (159, 135200), (160, 134355), (169, 127200), (195, 110240), (200, 107484), (208, 103350), (212, 101400), (240, 89570), (260, 82680), (265, 81120), (300, 71656), (312, 68900), (318, 67600), (325, 66144), (338, 63600), (390, 55120), (400, 53742), (416, 51675), (424, 50700), (480, 44785), (507, 42400), (520, 41340), (530, 40560), (600, 35828), (624, 34450), (636, 33800), (650, 33072), (676, 31800), (689, 31200), (780, 27560), (795, 27040), (800, 26871), (845, 25440), (848, 25350), (975, 22048), (1014, 21200), (1040, 20670), (1060, 20280), (1200, 17914), (1248, 17225), (1272, 16900), (1300, 16536), (1325, 16224), (1352, 15900), (1378, 15600), (1560, 13780), (1590, 13520), (1690, 12720), (1696, 12675), (1950, 11024), (2028, 10600), (2067, 10400), (2080, 10335), (2120, 10140), (2400, 8957), (2535, 8480), (2544, 8450), (2600, 8268), (2650, 8112), (2704, 7950), (2756, 7800), (3120, 6890), (3180, 6760), (3380, 6360), (3445, 6240), (3900, 5512), (3975, 5408), (4056, 5300), (4134, 5200), (4225, 5088), (4240, 5070)]