21000298480

素因数分解:

$2^4\times 5^1\times 7^4\times {\mathrm{109331}}^1$

素因数の和:109372

約数の個数: 100

約数和(自身を含む): 56960441352

約数和(自身を除く): 35960142872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2401, 2744, 3430, 3920, 4802, 5488, 6860, 9604, 12005, 13720, 19208, 24010, 27440, 38416, 48020, 96040, 109331, 192080, 218662, 437324, 546655, 765317, 874648, 1093310, 1530634, 1749296, 2186620, 3061268, 3826585, 4373240, 5357219, 6122536, 7653170, 8746480, 10714438, 12245072, 15306340, 21428876, 26786095, 30612680, 37500533, 42857752, 53572190, 61225360, 75001066, 85715504, 107144380, 150002132, 187502665, 214288760, 262503731, 300004264, 375005330, 428577520, 525007462, 600008528, 750010660, 1050014924, 1312518655, 1500021320, 2100029848, 2625037310, 3000042640, 4200059696, 5250074620, 10500149240, 21000298480]

約数ペア:

[(1, 21000298480), (2, 10500149240), (4, 5250074620), (5, 4200059696), (7, 3000042640), (8, 2625037310), (10, 2100029848), (14, 1500021320), (16, 1312518655), (20, 1050014924), (28, 750010660), (35, 600008528), (40, 525007462), (49, 428577520), (56, 375005330), (70, 300004264), (80, 262503731), (98, 214288760), (112, 187502665), (140, 150002132), (196, 107144380), (245, 85715504), (280, 75001066), (343, 61225360), (392, 53572190), (490, 42857752), (560, 37500533), (686, 30612680), (784, 26786095), (980, 21428876), (1372, 15306340), (1715, 12245072), (1960, 10714438), (2401, 8746480), (2744, 7653170), (3430, 6122536), (3920, 5357219), (4802, 4373240), (5488, 3826585), (6860, 3061268), (9604, 2186620), (12005, 1749296), (13720, 1530634), (19208, 1093310), (24010, 874648), (27440, 765317), (38416, 546655), (48020, 437324), (96040, 218662), (109331, 192080)]