21563190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:994

約数の個数: 96

約数和(自身を含む): 63887616

約数和(自身を除く): 42324426

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 30, 33, 45, 46, 55, 66, 69, 90, 99, 110, 115, 138, 165, 198, 207, 230, 253, 330, 345, 414, 495, 506, 690, 759, 947, 990, 1035, 1265, 1518, 1894, 2070, 2277, 2530, 2841, 3795, 4554, 4735, 5682, 7590, 8523, 9470, 10417, 11385, 14205, 17046, 20834, 21781, 22770, 28410, 31251, 42615, 43562, 52085, 62502, 65343, 85230, 93753, 104170, 108905, 130686, 156255, 187506, 196029, 217810, 239591, 312510, 326715, 392058, 468765, 479182, 653430, 718773, 937530, 980145, 1197955, 1437546, 1960290, 2156319, 2395910, 3593865, 4312638, 7187730, 10781595, 21563190]

約数ペア:

[(1, 21563190), (2, 10781595), (3, 7187730), (5, 4312638), (6, 3593865), (9, 2395910), (10, 2156319), (11, 1960290), (15, 1437546), (18, 1197955), (22, 980145), (23, 937530), (30, 718773), (33, 653430), (45, 479182), (46, 468765), (55, 392058), (66, 326715), (69, 312510), (90, 239591), (99, 217810), (110, 196029), (115, 187506), (138, 156255), (165, 130686), (198, 108905), (207, 104170), (230, 93753), (253, 85230), (330, 65343), (345, 62502), (414, 52085), (495, 43562), (506, 42615), (690, 31251), (759, 28410), (947, 22770), (990, 21781), (1035, 20834), (1265, 17046), (1518, 14205), (1894, 11385), (2070, 10417), (2277, 9470), (2530, 8523), (2841, 7590), (3795, 5682), (4554, 4735)]