21903912

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{4409}}^1$

素因数の和:4447

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 41600088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 92, 108, 138, 184, 207, 216, 276, 414, 552, 621, 828, 1242, 1656, 2484, 4409, 4968, 8818, 13227, 17636, 26454, 35272, 39681, 52908, 79362, 101407, 105816, 119043, 158724, 202814, 238086, 304221, 317448, 405628, 476172, 608442, 811256, 912663, 952344, 1216884, 1825326, 2433768, 2737989, 3650652, 5475978, 7301304, 10951956, 21903912]

約数ペア:

[(1, 21903912), (2, 10951956), (3, 7301304), (4, 5475978), (6, 3650652), (8, 2737989), (9, 2433768), (12, 1825326), (18, 1216884), (23, 952344), (24, 912663), (27, 811256), (36, 608442), (46, 476172), (54, 405628), (69, 317448), (72, 304221), (92, 238086), (108, 202814), (138, 158724), (184, 119043), (207, 105816), (216, 101407), (276, 79362), (414, 52908), (552, 39681), (621, 35272), (828, 26454), (1242, 17636), (1656, 13227), (2484, 8818), (4409, 4968)]