21742896

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{397}}^1$

素因数の和:578

約数の個数: 80

約数和(自身を含む): 64749824

約数和(自身を除く): 43006928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 163, 168, 326, 336, 397, 489, 652, 794, 978, 1141, 1191, 1304, 1588, 1956, 2282, 2382, 2608, 2779, 3176, 3423, 3912, 4564, 4764, 5558, 6352, 6846, 7824, 8337, 9128, 9528, 11116, 13692, 16674, 18256, 19056, 22232, 27384, 33348, 44464, 54768, 64711, 66696, 129422, 133392, 194133, 258844, 388266, 452977, 517688, 776532, 905954, 1035376, 1358931, 1553064, 1811908, 2717862, 3106128, 3623816, 5435724, 7247632, 10871448, 21742896]

約数ペア:

[(1, 21742896), (2, 10871448), (3, 7247632), (4, 5435724), (6, 3623816), (7, 3106128), (8, 2717862), (12, 1811908), (14, 1553064), (16, 1358931), (21, 1035376), (24, 905954), (28, 776532), (42, 517688), (48, 452977), (56, 388266), (84, 258844), (112, 194133), (163, 133392), (168, 129422), (326, 66696), (336, 64711), (397, 54768), (489, 44464), (652, 33348), (794, 27384), (978, 22232), (1141, 19056), (1191, 18256), (1304, 16674), (1588, 13692), (1956, 11116), (2282, 9528), (2382, 9128), (2608, 8337), (2779, 7824), (3176, 6846), (3423, 6352), (3912, 5558), (4564, 4764)]