21376769920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{276043}}^1$

素因数の和:276084

約数の個数: 96

約数和(自身を含む): 56172193560

約数和(自身を除く): 34795423640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 320, 352, 440, 484, 605, 640, 704, 880, 968, 1210, 1408, 1760, 1936, 2420, 3520, 3872, 4840, 7040, 7744, 9680, 15488, 19360, 38720, 77440, 276043, 552086, 1104172, 1380215, 2208344, 2760430, 3036473, 4416688, 5520860, 6072946, 8833376, 11041720, 12145892, 15182365, 17666752, 22083440, 24291784, 30364730, 33401203, 35333504, 44166880, 48583568, 60729460, 66802406, 88333760, 97167136, 121458920, 133604812, 167006015, 176667520, 194334272, 242917840, 267209624, 334012030, 388668544, 485835680, 534419248, 668024060, 971671360, 1068838496, 1336048120, 1943342720, 2137676992, 2672096240, 4275353984, 5344192480, 10688384960, 21376769920]

約数ペア:

[(1, 21376769920), (2, 10688384960), (4, 5344192480), (5, 4275353984), (8, 2672096240), (10, 2137676992), (11, 1943342720), (16, 1336048120), (20, 1068838496), (22, 971671360), (32, 668024060), (40, 534419248), (44, 485835680), (55, 388668544), (64, 334012030), (80, 267209624), (88, 242917840), (110, 194334272), (121, 176667520), (128, 167006015), (160, 133604812), (176, 121458920), (220, 97167136), (242, 88333760), (320, 66802406), (352, 60729460), (440, 48583568), (484, 44166880), (605, 35333504), (640, 33401203), (704, 30364730), (880, 24291784), (968, 22083440), (1210, 17666752), (1408, 15182365), (1760, 12145892), (1936, 11041720), (2420, 8833376), (3520, 6072946), (3872, 5520860), (4840, 4416688), (7040, 3036473), (7744, 2760430), (9680, 2208344), (15488, 1380215), (19360, 1104172), (38720, 552086), (77440, 276043)]