21992866

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 41713056

約数和(自身を除く): 19720190

約数列:

[1, 2, 7, 14, 17, 34, 43, 49, 86, 98, 119, 238, 301, 307, 602, 614, 731, 833, 1462, 1666, 2107, 2149, 4214, 4298, 5117, 5219, 10234, 10438, 13201, 15043, 26402, 30086, 35819, 36533, 71638, 73066, 92407, 184814, 224417, 255731, 448834, 511462, 646849, 1293698, 1570919, 3141838, 10996433, 21992866]

約数ペア:

[(1, 21992866), (2, 10996433), (7, 3141838), (14, 1570919), (17, 1293698), (34, 646849), (43, 511462), (49, 448834), (86, 255731), (98, 224417), (119, 184814), (238, 92407), (301, 73066), (307, 71638), (602, 36533), (614, 35819), (731, 30086), (833, 26402), (1462, 15043), (1666, 13201), (2107, 10438), (2149, 10234), (4214, 5219), (4298, 5117)]