21540900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{1217}}^1$

素因数の和:1293

約数の個数: 72

約数和(自身を含む): 63433440

約数和(自身を除く): 41892540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 59, 60, 75, 100, 118, 150, 177, 236, 295, 300, 354, 590, 708, 885, 1180, 1217, 1475, 1770, 2434, 2950, 3540, 3651, 4425, 4868, 5900, 6085, 7302, 8850, 12170, 14604, 17700, 18255, 24340, 30425, 36510, 60850, 71803, 73020, 91275, 121700, 143606, 182550, 215409, 287212, 359015, 365100, 430818, 718030, 861636, 1077045, 1436060, 1795075, 2154090, 3590150, 4308180, 5385225, 7180300, 10770450, 21540900]

約数ペア:

[(1, 21540900), (2, 10770450), (3, 7180300), (4, 5385225), (5, 4308180), (6, 3590150), (10, 2154090), (12, 1795075), (15, 1436060), (20, 1077045), (25, 861636), (30, 718030), (50, 430818), (59, 365100), (60, 359015), (75, 287212), (100, 215409), (118, 182550), (150, 143606), (177, 121700), (236, 91275), (295, 73020), (300, 71803), (354, 60850), (590, 36510), (708, 30425), (885, 24340), (1180, 18255), (1217, 17700), (1475, 14604), (1770, 12170), (2434, 8850), (2950, 7302), (3540, 6085), (3651, 5900), (4425, 4868)]