21084450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 55978560

約数和(自身を除く): 34894110

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 37, 50, 58, 74, 75, 87, 111, 131, 145, 150, 174, 185, 222, 262, 290, 370, 393, 435, 555, 655, 725, 786, 870, 925, 1073, 1110, 1310, 1450, 1850, 1965, 2146, 2175, 2775, 3219, 3275, 3799, 3930, 4350, 4847, 5365, 5550, 6438, 6550, 7598, 9694, 9825, 10730, 11397, 14541, 16095, 18995, 19650, 22794, 24235, 26825, 29082, 32190, 37990, 48470, 53650, 56985, 72705, 80475, 94975, 113970, 121175, 140563, 145410, 160950, 189950, 242350, 281126, 284925, 363525, 421689, 569850, 702815, 727050, 843378, 1405630, 2108445, 3514075, 4216890, 7028150, 10542225, 21084450]

約数ペア:

[(1, 21084450), (2, 10542225), (3, 7028150), (5, 4216890), (6, 3514075), (10, 2108445), (15, 1405630), (25, 843378), (29, 727050), (30, 702815), (37, 569850), (50, 421689), (58, 363525), (74, 284925), (75, 281126), (87, 242350), (111, 189950), (131, 160950), (145, 145410), (150, 140563), (174, 121175), (185, 113970), (222, 94975), (262, 80475), (290, 72705), (370, 56985), (393, 53650), (435, 48470), (555, 37990), (655, 32190), (725, 29082), (786, 26825), (870, 24235), (925, 22794), (1073, 19650), (1110, 18995), (1310, 16095), (1450, 14541), (1850, 11397), (1965, 10730), (2146, 9825), (2175, 9694), (2775, 7598), (3219, 6550), (3275, 6438), (3799, 5550), (3930, 5365), (4350, 4847)]