21502360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{48869}}^1$

素因数の和:48891

約数の個数: 32

約数和(自身を含む): 52779600

約数和(自身を除く): 31277240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 48869, 97738, 195476, 244345, 390952, 488690, 537559, 977380, 1075118, 1954760, 2150236, 2687795, 4300472, 5375590, 10751180, 21502360]

約数ペア:

[(1, 21502360), (2, 10751180), (4, 5375590), (5, 4300472), (8, 2687795), (10, 2150236), (11, 1954760), (20, 1075118), (22, 977380), (40, 537559), (44, 488690), (55, 390952), (88, 244345), (110, 195476), (220, 97738), (440, 48869)]