21632175

素因数分解:

$3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1217}}^1$

素因数の和:1312

約数の個数: 36

約数和(自身を含む): 39268320

約数和(自身を除く): 17636145

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 225, 237, 395, 711, 1185, 1217, 1975, 3555, 3651, 5925, 6085, 10953, 17775, 18255, 30425, 54765, 91275, 96143, 273825, 288429, 480715, 865287, 1442145, 2403575, 4326435, 7210725, 21632175]

約数ペア:

[(1, 21632175), (3, 7210725), (5, 4326435), (9, 2403575), (15, 1442145), (25, 865287), (45, 480715), (75, 288429), (79, 273825), (225, 96143), (237, 91275), (395, 54765), (711, 30425), (1185, 18255), (1217, 17775), (1975, 10953), (3555, 6085), (3651, 5925)]