21716772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1281

約数の個数: 96

約数和(自身を含む): 66554880

約数和(自身を除く): 44838108

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 19, 21, 22, 28, 33, 38, 42, 44, 57, 66, 76, 77, 84, 114, 132, 133, 154, 209, 228, 231, 266, 308, 399, 418, 462, 532, 627, 798, 836, 924, 1237, 1254, 1463, 1596, 2474, 2508, 2926, 3711, 4389, 4948, 5852, 7422, 8659, 8778, 13607, 14844, 17318, 17556, 23503, 25977, 27214, 34636, 40821, 47006, 51954, 54428, 70509, 81642, 94012, 95249, 103908, 141018, 163284, 164521, 190498, 258533, 282036, 285747, 329042, 380996, 493563, 517066, 571494, 658084, 775599, 987126, 1034132, 1142988, 1551198, 1809731, 1974252, 3102396, 3619462, 5429193, 7238924, 10858386, 21716772]

約数ペア:

[(1, 21716772), (2, 10858386), (3, 7238924), (4, 5429193), (6, 3619462), (7, 3102396), (11, 1974252), (12, 1809731), (14, 1551198), (19, 1142988), (21, 1034132), (22, 987126), (28, 775599), (33, 658084), (38, 571494), (42, 517066), (44, 493563), (57, 380996), (66, 329042), (76, 285747), (77, 282036), (84, 258533), (114, 190498), (132, 164521), (133, 163284), (154, 141018), (209, 103908), (228, 95249), (231, 94012), (266, 81642), (308, 70509), (399, 54428), (418, 51954), (462, 47006), (532, 40821), (627, 34636), (798, 27214), (836, 25977), (924, 23503), (1237, 17556), (1254, 17318), (1463, 14844), (1596, 13607), (2474, 8778), (2508, 8659), (2926, 7422), (3711, 5852), (4389, 4948)]