21031915050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{15647}}^1$

素因数の和:15797

約数の個数: 144

約数和(自身を含む): 59025507840

約数和(自身を除く): 37993592790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 29, 30, 45, 50, 58, 75, 87, 90, 103, 145, 150, 174, 206, 225, 261, 290, 309, 435, 450, 515, 522, 618, 725, 870, 927, 1030, 1305, 1450, 1545, 1854, 2175, 2575, 2610, 2987, 3090, 4350, 4635, 5150, 5974, 6525, 7725, 8961, 9270, 13050, 14935, 15450, 15647, 17922, 23175, 26883, 29870, 31294, 44805, 46350, 46941, 53766, 74675, 78235, 89610, 93882, 134415, 140823, 149350, 156470, 224025, 234705, 268830, 281646, 391175, 448050, 453763, 469410, 672075, 704115, 782350, 907526, 1173525, 1344150, 1361289, 1408230, 1611641, 2268815, 2347050, 2722578, 3223282, 3520575, 4083867, 4537630, 4834923, 6806445, 7041150, 8058205, 8167734, 9669846, 11344075, 13612890, 14504769, 16116410, 20419335, 22688150, 24174615, 29009538, 34032225, 40291025, 40838670, 46737589, 48349230, 68064450, 72523845, 80582050, 93475178, 102096675, 120873075, 140212767, 145047690, 204193350, 233687945, 241746150, 280425534, 362619225, 420638301, 467375890, 701063835, 725238450, 841276602, 1168439725, 1402127670, 2103191505, 2336879450, 3505319175, 4206383010, 7010638350, 10515957525, 21031915050]

約数ペア:

[(1, 21031915050), (2, 10515957525), (3, 7010638350), (5, 4206383010), (6, 3505319175), (9, 2336879450), (10, 2103191505), (15, 1402127670), (18, 1168439725), (25, 841276602), (29, 725238450), (30, 701063835), (45, 467375890), (50, 420638301), (58, 362619225), (75, 280425534), (87, 241746150), (90, 233687945), (103, 204193350), (145, 145047690), (150, 140212767), (174, 120873075), (206, 102096675), (225, 93475178), (261, 80582050), (290, 72523845), (309, 68064450), (435, 48349230), (450, 46737589), (515, 40838670), (522, 40291025), (618, 34032225), (725, 29009538), (870, 24174615), (927, 22688150), (1030, 20419335), (1305, 16116410), (1450, 14504769), (1545, 13612890), (1854, 11344075), (2175, 9669846), (2575, 8167734), (2610, 8058205), (2987, 7041150), (3090, 6806445), (4350, 4834923), (4635, 4537630), (5150, 4083867), (5974, 3520575), (6525, 3223282), (7725, 2722578), (8961, 2347050), (9270, 2268815), (13050, 1611641), (14935, 1408230), (15450, 1361289), (15647, 1344150), (17922, 1173525), (23175, 907526), (26883, 782350), (29870, 704115), (31294, 672075), (44805, 469410), (46350, 453763), (46941, 448050), (53766, 391175), (74675, 281646), (78235, 268830), (89610, 234705), (93882, 224025), (134415, 156470), (140823, 149350)]