21621468

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 59754240

約数和(自身を除く): 38132772

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 37, 38, 44, 57, 66, 74, 76, 111, 114, 132, 148, 209, 222, 228, 233, 407, 418, 444, 466, 627, 699, 703, 814, 836, 932, 1221, 1254, 1398, 1406, 1628, 2109, 2442, 2508, 2563, 2796, 2812, 4218, 4427, 4884, 5126, 7689, 7733, 8436, 8621, 8854, 10252, 13281, 15378, 15466, 17242, 17708, 23199, 25863, 26562, 30756, 30932, 34484, 46398, 48697, 51726, 53124, 92796, 94831, 97394, 103452, 146091, 163799, 189662, 194788, 284493, 292182, 327598, 379324, 491397, 568986, 584364, 655196, 982794, 1137972, 1801789, 1965588, 3603578, 5405367, 7207156, 10810734, 21621468]

約数ペア:

[(1, 21621468), (2, 10810734), (3, 7207156), (4, 5405367), (6, 3603578), (11, 1965588), (12, 1801789), (19, 1137972), (22, 982794), (33, 655196), (37, 584364), (38, 568986), (44, 491397), (57, 379324), (66, 327598), (74, 292182), (76, 284493), (111, 194788), (114, 189662), (132, 163799), (148, 146091), (209, 103452), (222, 97394), (228, 94831), (233, 92796), (407, 53124), (418, 51726), (444, 48697), (466, 46398), (627, 34484), (699, 30932), (703, 30756), (814, 26562), (836, 25863), (932, 23199), (1221, 17708), (1254, 17242), (1398, 15466), (1406, 15378), (1628, 13281), (2109, 10252), (2442, 8854), (2508, 8621), (2563, 8436), (2796, 7733), (2812, 7689), (4218, 5126), (4427, 4884)]