21851970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6121}}^1$

素因数の和:6155

約数の個数: 64

約数和(自身を含む): 63472896

約数和(自身を除く): 41620926

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 6121, 12242, 18363, 30605, 36726, 42847, 61210, 85694, 91815, 104057, 128541, 183630, 208114, 214235, 257082, 312171, 428470, 520285, 624342, 642705, 728399, 1040570, 1285410, 1456798, 1560855, 2185197, 3121710, 3641995, 4370394, 7283990, 10925985, 21851970]

約数ペア:

[(1, 21851970), (2, 10925985), (3, 7283990), (5, 4370394), (6, 3641995), (7, 3121710), (10, 2185197), (14, 1560855), (15, 1456798), (17, 1285410), (21, 1040570), (30, 728399), (34, 642705), (35, 624342), (42, 520285), (51, 428470), (70, 312171), (85, 257082), (102, 214235), (105, 208114), (119, 183630), (170, 128541), (210, 104057), (238, 91815), (255, 85694), (357, 61210), (510, 42847), (595, 36726), (714, 30605), (1190, 18363), (1785, 12242), (3570, 6121)]