21421470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1229}}^1$

素因数の和:1329

約数の個数: 64

約数和(自身を含む): 59512320

約数和(自身を除く): 38090850

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 83, 105, 166, 210, 249, 415, 498, 581, 830, 1162, 1229, 1245, 1743, 2458, 2490, 2905, 3486, 3687, 5810, 6145, 7374, 8603, 8715, 12290, 17206, 17430, 18435, 25809, 36870, 43015, 51618, 86030, 102007, 129045, 204014, 258090, 306021, 510035, 612042, 714049, 1020070, 1428098, 1530105, 2142147, 3060210, 3570245, 4284294, 7140490, 10710735, 21421470]

約数ペア:

[(1, 21421470), (2, 10710735), (3, 7140490), (5, 4284294), (6, 3570245), (7, 3060210), (10, 2142147), (14, 1530105), (15, 1428098), (21, 1020070), (30, 714049), (35, 612042), (42, 510035), (70, 306021), (83, 258090), (105, 204014), (166, 129045), (210, 102007), (249, 86030), (415, 51618), (498, 43015), (581, 36870), (830, 25809), (1162, 18435), (1229, 17430), (1245, 17206), (1743, 12290), (2458, 8715), (2490, 8603), (2905, 7374), (3486, 6145), (3687, 5810)]