21656553990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1697}}^1\times {\mathrm{11497}}^1$

素因数の和:13241

約数の個数: 64

約数和(自身を含む): 53416580544

約数和(自身を除く): 31760026554

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 1697, 3394, 5091, 8485, 10182, 11497, 16970, 22994, 25455, 34491, 50910, 57485, 62789, 68982, 114970, 125578, 172455, 188367, 313945, 344910, 376734, 425389, 627890, 850778, 941835, 1276167, 1883670, 2126945, 2552334, 4253890, 6380835, 12761670, 19510409, 39020818, 58531227, 97552045, 117062454, 195104090, 292656135, 585312270, 721885133, 1443770266, 2165655399, 3609425665, 4331310798, 7218851330, 10828276995, 21656553990]

約数ペア:

[(1, 21656553990), (2, 10828276995), (3, 7218851330), (5, 4331310798), (6, 3609425665), (10, 2165655399), (15, 1443770266), (30, 721885133), (37, 585312270), (74, 292656135), (111, 195104090), (185, 117062454), (222, 97552045), (370, 58531227), (555, 39020818), (1110, 19510409), (1697, 12761670), (3394, 6380835), (5091, 4253890), (8485, 2552334), (10182, 2126945), (11497, 1883670), (16970, 1276167), (22994, 941835), (25455, 850778), (34491, 627890), (50910, 425389), (57485, 376734), (62789, 344910), (68982, 313945), (114970, 188367), (125578, 172455)]