21535590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^3\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 54950400

約数和(自身を除く): 33414810

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 59, 69, 115, 118, 138, 177, 230, 295, 345, 354, 529, 590, 690, 885, 1058, 1357, 1587, 1770, 2645, 2714, 3174, 4071, 5290, 6785, 7935, 8142, 12167, 13570, 15870, 20355, 24334, 31211, 36501, 40710, 60835, 62422, 73002, 93633, 121670, 156055, 182505, 187266, 312110, 365010, 468165, 717853, 936330, 1435706, 2153559, 3589265, 4307118, 7178530, 10767795, 21535590]

約数ペア:

[(1, 21535590), (2, 10767795), (3, 7178530), (5, 4307118), (6, 3589265), (10, 2153559), (15, 1435706), (23, 936330), (30, 717853), (46, 468165), (59, 365010), (69, 312110), (115, 187266), (118, 182505), (138, 156055), (177, 121670), (230, 93633), (295, 73002), (345, 62422), (354, 60835), (529, 40710), (590, 36501), (690, 31211), (885, 24334), (1058, 20355), (1357, 15870), (1587, 13570), (1770, 12167), (2645, 8142), (2714, 7935), (3174, 6785), (4071, 5290)]