21879704

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3229}}^1$

素因数の和:3264

約数の個数: 48

約数和(自身を含む): 51550800

約数和(自身を除く): 29671096

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 3229, 3388, 6458, 6776, 12916, 22603, 25832, 35519, 45206, 71038, 90412, 142076, 180824, 248633, 284152, 390709, 497266, 781418, 994532, 1562836, 1989064, 2734963, 3125672, 5469926, 10939852, 21879704]

約数ペア:

[(1, 21879704), (2, 10939852), (4, 5469926), (7, 3125672), (8, 2734963), (11, 1989064), (14, 1562836), (22, 994532), (28, 781418), (44, 497266), (56, 390709), (77, 284152), (88, 248633), (121, 180824), (154, 142076), (242, 90412), (308, 71038), (484, 45206), (616, 35519), (847, 25832), (968, 22603), (1694, 12916), (3229, 6776), (3388, 6458)]