21001663676

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{8783}}^1$

素因数の和:8943

約数の個数: 96

約数和(自身を含む): 45333872640

約数和(自身を除く): 24332208964

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 47, 79, 92, 94, 158, 161, 188, 316, 322, 329, 553, 644, 658, 1081, 1106, 1316, 1817, 2162, 2212, 3634, 3713, 4324, 7268, 7426, 7567, 8783, 12719, 14852, 15134, 17566, 25438, 25991, 30268, 35132, 50876, 51982, 61481, 85399, 103964, 122962, 170798, 202009, 245924, 341596, 404018, 412801, 597793, 693857, 808036, 825602, 1195586, 1387714, 1414063, 1651204, 2391172, 2775428, 2828126, 2889607, 4856999, 5656252, 5779214, 9494423, 9713998, 11558428, 15958711, 18988846, 19427996, 31917422, 32611279, 37977692, 63834844, 65222558, 66460961, 111710977, 130445116, 132921922, 223421954, 228278953, 265843844, 446843908, 456557906, 750059417, 913115812, 1500118834, 3000237668, 5250415919, 10500831838, 21001663676]

約数ペア:

[(1, 21001663676), (2, 10500831838), (4, 5250415919), (7, 3000237668), (14, 1500118834), (23, 913115812), (28, 750059417), (46, 456557906), (47, 446843908), (79, 265843844), (92, 228278953), (94, 223421954), (158, 132921922), (161, 130445116), (188, 111710977), (316, 66460961), (322, 65222558), (329, 63834844), (553, 37977692), (644, 32611279), (658, 31917422), (1081, 19427996), (1106, 18988846), (1316, 15958711), (1817, 11558428), (2162, 9713998), (2212, 9494423), (3634, 5779214), (3713, 5656252), (4324, 4856999), (7268, 2889607), (7426, 2828126), (7567, 2775428), (8783, 2391172), (12719, 1651204), (14852, 1414063), (15134, 1387714), (17566, 1195586), (25438, 825602), (25991, 808036), (30268, 693857), (35132, 597793), (50876, 412801), (51982, 404018), (61481, 341596), (85399, 245924), (103964, 202009), (122962, 170798)]