21379050

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1$

素因数の和:653

約数の個数: 144

約数和(自身を含む): 71727552

約数和(自身を除く): 50348502

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 25, 30, 33, 35, 42, 45, 50, 55, 63, 66, 70, 75, 77, 90, 99, 105, 110, 126, 150, 154, 165, 175, 198, 210, 225, 231, 275, 315, 330, 350, 385, 450, 462, 495, 525, 550, 617, 630, 693, 770, 825, 990, 1050, 1155, 1234, 1386, 1575, 1650, 1851, 1925, 2310, 2475, 3085, 3150, 3465, 3702, 3850, 4319, 4950, 5553, 5775, 6170, 6787, 6930, 8638, 9255, 11106, 11550, 12957, 13574, 15425, 17325, 18510, 20361, 21595, 25914, 27765, 30850, 33935, 34650, 38871, 40722, 43190, 46275, 47509, 55530, 61083, 64785, 67870, 77742, 92550, 95018, 101805, 107975, 122166, 129570, 138825, 142527, 169675, 194355, 203610, 215950, 237545, 277650, 285054, 305415, 323925, 339350, 388710, 427581, 475090, 509025, 610830, 647850, 712635, 855162, 971775, 1018050, 1187725, 1425270, 1527075, 1943550, 2137905, 2375450, 3054150, 3563175, 4275810, 7126350, 10689525, 21379050]

約数ペア:

[(1, 21379050), (2, 10689525), (3, 7126350), (5, 4275810), (6, 3563175), (7, 3054150), (9, 2375450), (10, 2137905), (11, 1943550), (14, 1527075), (15, 1425270), (18, 1187725), (21, 1018050), (22, 971775), (25, 855162), (30, 712635), (33, 647850), (35, 610830), (42, 509025), (45, 475090), (50, 427581), (55, 388710), (63, 339350), (66, 323925), (70, 305415), (75, 285054), (77, 277650), (90, 237545), (99, 215950), (105, 203610), (110, 194355), (126, 169675), (150, 142527), (154, 138825), (165, 129570), (175, 122166), (198, 107975), (210, 101805), (225, 95018), (231, 92550), (275, 77742), (315, 67870), (330, 64785), (350, 61083), (385, 55530), (450, 47509), (462, 46275), (495, 43190), (525, 40722), (550, 38871), (617, 34650), (630, 33935), (693, 30850), (770, 27765), (825, 25914), (990, 21595), (1050, 20361), (1155, 18510), (1234, 17325), (1386, 15425), (1575, 13574), (1650, 12957), (1851, 11550), (1925, 11106), (2310, 9255), (2475, 8638), (3085, 6930), (3150, 6787), (3465, 6170), (3702, 5775), (3850, 5553), (4319, 4950)]