21637223860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{12377}}^1\times {\mathrm{12487}}^1$

素因数の和:24880

約数の個数: 48

約数和(自身を含む): 51937691904

約数和(自身を除く): 30300468044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 12377, 12487, 24754, 24974, 49508, 49948, 61885, 62435, 86639, 87409, 123770, 124870, 173278, 174818, 247540, 249740, 346556, 349636, 433195, 437045, 866390, 874090, 1732780, 1748180, 154551599, 309103198, 618206396, 772757995, 1081861193, 1545515990, 2163722386, 3091031980, 4327444772, 5409305965, 10818611930, 21637223860]

約数ペア:

[(1, 21637223860), (2, 10818611930), (4, 5409305965), (5, 4327444772), (7, 3091031980), (10, 2163722386), (14, 1545515990), (20, 1081861193), (28, 772757995), (35, 618206396), (70, 309103198), (140, 154551599), (12377, 1748180), (12487, 1732780), (24754, 874090), (24974, 866390), (49508, 437045), (49948, 433195), (61885, 349636), (62435, 346556), (86639, 249740), (87409, 247540), (123770, 174818), (124870, 173278)]