21418500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 63423360

約数和(自身を除く): 42004860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 109, 125, 131, 150, 218, 250, 262, 300, 327, 375, 393, 436, 500, 524, 545, 654, 655, 750, 786, 1090, 1308, 1310, 1500, 1572, 1635, 1965, 2180, 2620, 2725, 3270, 3275, 3930, 5450, 6540, 6550, 7860, 8175, 9825, 10900, 13100, 13625, 14279, 16350, 16375, 19650, 27250, 28558, 32700, 32750, 39300, 40875, 42837, 49125, 54500, 57116, 65500, 71395, 81750, 85674, 98250, 142790, 163500, 171348, 196500, 214185, 285580, 356975, 428370, 713950, 856740, 1070925, 1427900, 1784875, 2141850, 3569750, 4283700, 5354625, 7139500, 10709250, 21418500]

約数ペア:

[(1, 21418500), (2, 10709250), (3, 7139500), (4, 5354625), (5, 4283700), (6, 3569750), (10, 2141850), (12, 1784875), (15, 1427900), (20, 1070925), (25, 856740), (30, 713950), (50, 428370), (60, 356975), (75, 285580), (100, 214185), (109, 196500), (125, 171348), (131, 163500), (150, 142790), (218, 98250), (250, 85674), (262, 81750), (300, 71395), (327, 65500), (375, 57116), (393, 54500), (436, 49125), (500, 42837), (524, 40875), (545, 39300), (654, 32750), (655, 32700), (750, 28558), (786, 27250), (1090, 19650), (1308, 16375), (1310, 16350), (1500, 14279), (1572, 13625), (1635, 13100), (1965, 10900), (2180, 9825), (2620, 8175), (2725, 7860), (3270, 6550), (3275, 6540), (3930, 5450)]