21677110

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:158

約数の個数: 96

約数和(自身を含む): 50676192

約数和(自身を除く): 28999082

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 41, 49, 65, 70, 82, 83, 91, 98, 130, 166, 182, 205, 245, 287, 410, 415, 455, 490, 533, 574, 581, 637, 830, 910, 1066, 1079, 1162, 1274, 1435, 2009, 2158, 2665, 2870, 2905, 3185, 3403, 3731, 4018, 4067, 5330, 5395, 5810, 6370, 6806, 7462, 7553, 8134, 10045, 10790, 15106, 17015, 18655, 20090, 20335, 23821, 26117, 34030, 37310, 37765, 40670, 44239, 47642, 52234, 52871, 75530, 88478, 105742, 119105, 130585, 166747, 221195, 238210, 261170, 264355, 309673, 333494, 442390, 528710, 619346, 833735, 1548365, 1667470, 2167711, 3096730, 4335422, 10838555, 21677110]

約数ペア:

[(1, 21677110), (2, 10838555), (5, 4335422), (7, 3096730), (10, 2167711), (13, 1667470), (14, 1548365), (26, 833735), (35, 619346), (41, 528710), (49, 442390), (65, 333494), (70, 309673), (82, 264355), (83, 261170), (91, 238210), (98, 221195), (130, 166747), (166, 130585), (182, 119105), (205, 105742), (245, 88478), (287, 75530), (410, 52871), (415, 52234), (455, 47642), (490, 44239), (533, 40670), (574, 37765), (581, 37310), (637, 34030), (830, 26117), (910, 23821), (1066, 20335), (1079, 20090), (1162, 18655), (1274, 17015), (1435, 15106), (2009, 10790), (2158, 10045), (2665, 8134), (2870, 7553), (2905, 7462), (3185, 6806), (3403, 6370), (3731, 5810), (4018, 5395), (4067, 5330)]