21121416

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{9463}}^1$

素因数の和:9506

約数の個数: 48

約数和(自身を含む): 59055360

約数和(自身を除く): 37933944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 9463, 18926, 28389, 37852, 56778, 75704, 85167, 113556, 170334, 227112, 293353, 340668, 586706, 681336, 880059, 1173412, 1760118, 2346824, 2640177, 3520236, 5280354, 7040472, 10560708, 21121416]

約数ペア:

[(1, 21121416), (2, 10560708), (3, 7040472), (4, 5280354), (6, 3520236), (8, 2640177), (9, 2346824), (12, 1760118), (18, 1173412), (24, 880059), (31, 681336), (36, 586706), (62, 340668), (72, 293353), (93, 227112), (124, 170334), (186, 113556), (248, 85167), (279, 75704), (372, 56778), (558, 37852), (744, 28389), (1116, 18926), (2232, 9463)]