2100022760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{433889}}^1$

素因数の和:433922

約数の個数: 48

約数和(自身を含む): 5193663300

約数和(自身を除く): 3093640540

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 433889, 867778, 1735556, 2169445, 3471112, 4338890, 4772779, 8677780, 9545558, 17355560, 19091116, 23863895, 38182232, 47727790, 52500569, 95455580, 105001138, 190911160, 210002276, 262502845, 420004552, 525005690, 1050011380, 2100022760]

約数ペア:

[(1, 2100022760), (2, 1050011380), (4, 525005690), (5, 420004552), (8, 262502845), (10, 210002276), (11, 190911160), (20, 105001138), (22, 95455580), (40, 52500569), (44, 47727790), (55, 38182232), (88, 23863895), (110, 19091116), (121, 17355560), (220, 9545558), (242, 8677780), (440, 4772779), (484, 4338890), (605, 3471112), (968, 2169445), (1210, 1735556), (2420, 867778), (4840, 433889)]