21720241788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1019}}^1\times {\mathrm{5399}}^1$

素因数の和:6479

約数の個数: 96

約数和(自身を含む): 59222016000

約数和(自身を除く): 37501774212

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1019, 1316, 1974, 2038, 3057, 3948, 4076, 5399, 6114, 7133, 10798, 12228, 14266, 16197, 21399, 21596, 28532, 32394, 37793, 42798, 47893, 64788, 75586, 85596, 95786, 113379, 143679, 151172, 191572, 226758, 253753, 287358, 335251, 453516, 507506, 574716, 670502, 761259, 1005753, 1015012, 1341004, 1522518, 1776271, 2011506, 3045036, 3552542, 4023012, 5328813, 5501581, 7105084, 10657626, 11003162, 16504743, 21315252, 22006324, 33009486, 38511067, 66018972, 77022134, 115533201, 154044268, 231066402, 258574307, 462132804, 517148614, 775722921, 1034297228, 1551445842, 1810020149, 3102891684, 3620040298, 5430060447, 7240080596, 10860120894, 21720241788]

約数ペア:

[(1, 21720241788), (2, 10860120894), (3, 7240080596), (4, 5430060447), (6, 3620040298), (7, 3102891684), (12, 1810020149), (14, 1551445842), (21, 1034297228), (28, 775722921), (42, 517148614), (47, 462132804), (84, 258574307), (94, 231066402), (141, 154044268), (188, 115533201), (282, 77022134), (329, 66018972), (564, 38511067), (658, 33009486), (987, 22006324), (1019, 21315252), (1316, 16504743), (1974, 11003162), (2038, 10657626), (3057, 7105084), (3948, 5501581), (4076, 5328813), (5399, 4023012), (6114, 3552542), (7133, 3045036), (10798, 2011506), (12228, 1776271), (14266, 1522518), (16197, 1341004), (21399, 1015012), (21596, 1005753), (28532, 761259), (32394, 670502), (37793, 574716), (42798, 507506), (47893, 453516), (64788, 335251), (75586, 287358), (85596, 253753), (95786, 226758), (113379, 191572), (143679, 151172)]