21084700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:372

約数の個数: 108

約数和(自身を含む): 57491112

約数和(自身を除く): 36406412

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 130, 140, 175, 182, 196, 245, 260, 325, 331, 350, 364, 455, 490, 637, 650, 662, 700, 910, 980, 1225, 1274, 1300, 1324, 1655, 1820, 2275, 2317, 2450, 2548, 3185, 3310, 4303, 4550, 4634, 4900, 6370, 6620, 8275, 8606, 9100, 9268, 11585, 12740, 15925, 16219, 16550, 17212, 21515, 23170, 30121, 31850, 32438, 33100, 43030, 46340, 57925, 60242, 63700, 64876, 81095, 86060, 107575, 115850, 120484, 150605, 162190, 210847, 215150, 231700, 301210, 324380, 405475, 421694, 430300, 602420, 753025, 810950, 843388, 1054235, 1506050, 1621900, 2108470, 3012100, 4216940, 5271175, 10542350, 21084700]

約数ペア:

[(1, 21084700), (2, 10542350), (4, 5271175), (5, 4216940), (7, 3012100), (10, 2108470), (13, 1621900), (14, 1506050), (20, 1054235), (25, 843388), (26, 810950), (28, 753025), (35, 602420), (49, 430300), (50, 421694), (52, 405475), (65, 324380), (70, 301210), (91, 231700), (98, 215150), (100, 210847), (130, 162190), (140, 150605), (175, 120484), (182, 115850), (196, 107575), (245, 86060), (260, 81095), (325, 64876), (331, 63700), (350, 60242), (364, 57925), (455, 46340), (490, 43030), (637, 33100), (650, 32438), (662, 31850), (700, 30121), (910, 23170), (980, 21515), (1225, 17212), (1274, 16550), (1300, 16219), (1324, 15925), (1655, 12740), (1820, 11585), (2275, 9268), (2317, 9100), (2450, 8606), (2548, 8275), (3185, 6620), (3310, 6370), (4303, 4900), (4550, 4634)]