21940002

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 57867264

約数和(自身を除く): 35927262

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 41, 42, 62, 63, 82, 93, 123, 126, 137, 186, 217, 246, 274, 279, 287, 369, 411, 434, 558, 574, 651, 738, 822, 861, 959, 1233, 1271, 1302, 1722, 1918, 1953, 2466, 2542, 2583, 2877, 3813, 3906, 4247, 5166, 5617, 5754, 7626, 8494, 8631, 8897, 11234, 11439, 12741, 16851, 17262, 17794, 22878, 25482, 26691, 29729, 33702, 38223, 39319, 50553, 53382, 59458, 76446, 78638, 80073, 89187, 101106, 117957, 160146, 174127, 178374, 235914, 267561, 348254, 353871, 522381, 535122, 707742, 1044762, 1218889, 1567143, 2437778, 3134286, 3656667, 7313334, 10970001, 21940002]

約数ペア:

[(1, 21940002), (2, 10970001), (3, 7313334), (6, 3656667), (7, 3134286), (9, 2437778), (14, 1567143), (18, 1218889), (21, 1044762), (31, 707742), (41, 535122), (42, 522381), (62, 353871), (63, 348254), (82, 267561), (93, 235914), (123, 178374), (126, 174127), (137, 160146), (186, 117957), (217, 101106), (246, 89187), (274, 80073), (279, 78638), (287, 76446), (369, 59458), (411, 53382), (434, 50553), (558, 39319), (574, 38223), (651, 33702), (738, 29729), (822, 26691), (861, 25482), (959, 22878), (1233, 17794), (1271, 17262), (1302, 16851), (1722, 12741), (1918, 11439), (1953, 11234), (2466, 8897), (2542, 8631), (2583, 8494), (2877, 7626), (3813, 5754), (3906, 5617), (4247, 5166)]