21853458

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:232

約数の個数: 96

約数和(自身を含む): 56197440

約数和(自身を除く): 34343982

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 37, 38, 57, 66, 74, 99, 111, 114, 157, 171, 198, 209, 222, 314, 333, 342, 407, 418, 471, 627, 666, 703, 814, 942, 1221, 1254, 1406, 1413, 1727, 1881, 2109, 2442, 2826, 2983, 3454, 3663, 3762, 4218, 5181, 5809, 5966, 6327, 7326, 7733, 8949, 10362, 11618, 12654, 15466, 15543, 17427, 17898, 23199, 26847, 31086, 32813, 34854, 46398, 52281, 53694, 63899, 65626, 69597, 98439, 104562, 110371, 127798, 139194, 191697, 196878, 220742, 295317, 331113, 383394, 575091, 590634, 662226, 993339, 1150182, 1214081, 1986678, 2428162, 3642243, 7284486, 10926729, 21853458]

約数ペア:

[(1, 21853458), (2, 10926729), (3, 7284486), (6, 3642243), (9, 2428162), (11, 1986678), (18, 1214081), (19, 1150182), (22, 993339), (33, 662226), (37, 590634), (38, 575091), (57, 383394), (66, 331113), (74, 295317), (99, 220742), (111, 196878), (114, 191697), (157, 139194), (171, 127798), (198, 110371), (209, 104562), (222, 98439), (314, 69597), (333, 65626), (342, 63899), (407, 53694), (418, 52281), (471, 46398), (627, 34854), (666, 32813), (703, 31086), (814, 26847), (942, 23199), (1221, 17898), (1254, 17427), (1406, 15543), (1413, 15466), (1727, 12654), (1881, 11618), (2109, 10362), (2442, 8949), (2826, 7733), (2983, 7326), (3454, 6327), (3663, 5966), (3762, 5809), (4218, 5181)]