22121140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{509}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 48580560

約数和(自身を除く): 26459420

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 509, 530, 820, 1018, 1060, 2036, 2173, 2545, 4346, 5090, 8692, 10180, 10865, 20869, 21730, 26977, 41738, 43460, 53954, 83476, 104345, 107908, 134885, 208690, 269770, 417380, 539540, 1106057, 2212114, 4424228, 5530285, 11060570, 22121140]

約数ペア:

[(1, 22121140), (2, 11060570), (4, 5530285), (5, 4424228), (10, 2212114), (20, 1106057), (41, 539540), (53, 417380), (82, 269770), (106, 208690), (164, 134885), (205, 107908), (212, 104345), (265, 83476), (410, 53954), (509, 43460), (530, 41738), (820, 26977), (1018, 21730), (1060, 20869), (2036, 10865), (2173, 10180), (2545, 8692), (4346, 5090)]