21568401250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^2\times {\mathrm{142601}}^1$

素因数の和:142645

約数の個数: 60

約数和(自身を含む): 44437492638

約数和(自身を除く): 22869091388

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 125, 242, 250, 275, 550, 605, 625, 1210, 1250, 1375, 2750, 3025, 6050, 6875, 13750, 15125, 30250, 75625, 142601, 151250, 285202, 713005, 1426010, 1568611, 3137222, 3565025, 7130050, 7843055, 15686110, 17254721, 17825125, 34509442, 35650250, 39215275, 78430550, 86273605, 89125625, 172547210, 178251250, 196076375, 392152750, 431368025, 862736050, 980381875, 1960763750, 2156840125, 4313680250, 10784200625, 21568401250]

約数ペア:

[(1, 21568401250), (2, 10784200625), (5, 4313680250), (10, 2156840125), (11, 1960763750), (22, 980381875), (25, 862736050), (50, 431368025), (55, 392152750), (110, 196076375), (121, 178251250), (125, 172547210), (242, 89125625), (250, 86273605), (275, 78430550), (550, 39215275), (605, 35650250), (625, 34509442), (1210, 17825125), (1250, 17254721), (1375, 15686110), (2750, 7843055), (3025, 7130050), (6050, 3565025), (6875, 3137222), (13750, 1568611), (15125, 1426010), (30250, 713005), (75625, 285202), (142601, 151250)]