21450088

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12829}}^1$

素因数の和:12865

約数の個数: 32

約数和(自身を含む): 46188000

約数和(自身を除く): 24737912

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12829, 25658, 51316, 102632, 141119, 243751, 282238, 487502, 564476, 975004, 1128952, 1950008, 2681261, 5362522, 10725044, 21450088]

約数ペア:

[(1, 21450088), (2, 10725044), (4, 5362522), (8, 2681261), (11, 1950008), (19, 1128952), (22, 975004), (38, 564476), (44, 487502), (76, 282238), (88, 243751), (152, 141119), (209, 102632), (418, 51316), (836, 25658), (1672, 12829)]