21007392

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:790

約数の個数: 96

約数和(自身を含む): 64576512

約数和(自身を除く): 43569120

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 56, 84, 86, 96, 112, 129, 168, 172, 224, 258, 301, 336, 344, 516, 602, 672, 688, 727, 903, 1032, 1204, 1376, 1454, 1806, 2064, 2181, 2408, 2908, 3612, 4128, 4362, 4816, 5089, 5816, 7224, 8724, 9632, 10178, 11632, 14448, 15267, 17448, 20356, 23264, 28896, 30534, 31261, 34896, 40712, 61068, 62522, 69792, 81424, 93783, 122136, 125044, 162848, 187566, 218827, 244272, 250088, 375132, 437654, 488544, 500176, 656481, 750264, 875308, 1000352, 1312962, 1500528, 1750616, 2625924, 3001056, 3501232, 5251848, 7002464, 10503696, 21007392]

約数ペア:

[(1, 21007392), (2, 10503696), (3, 7002464), (4, 5251848), (6, 3501232), (7, 3001056), (8, 2625924), (12, 1750616), (14, 1500528), (16, 1312962), (21, 1000352), (24, 875308), (28, 750264), (32, 656481), (42, 500176), (43, 488544), (48, 437654), (56, 375132), (84, 250088), (86, 244272), (96, 218827), (112, 187566), (129, 162848), (168, 125044), (172, 122136), (224, 93783), (258, 81424), (301, 69792), (336, 62522), (344, 61068), (516, 40712), (602, 34896), (672, 31261), (688, 30534), (727, 28896), (903, 23264), (1032, 20356), (1204, 17448), (1376, 15267), (1454, 14448), (1806, 11632), (2064, 10178), (2181, 9632), (2408, 8724), (2908, 7224), (3612, 5816), (4128, 5089), (4362, 4816)]