22121540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{22573}}^1$

素因数の和:22596

約数の個数: 36

約数和(自身を含む): 54042156

約数和(自身を除く): 31920616

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 22573, 45146, 90292, 112865, 158011, 225730, 316022, 451460, 632044, 790055, 1106077, 1580110, 2212154, 3160220, 4424308, 5530385, 11060770, 22121540]

約数ペア:

[(1, 22121540), (2, 11060770), (4, 5530385), (5, 4424308), (7, 3160220), (10, 2212154), (14, 1580110), (20, 1106077), (28, 790055), (35, 632044), (49, 451460), (70, 316022), (98, 225730), (140, 158011), (196, 112865), (245, 90292), (490, 45146), (980, 22573)]