21192731686

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{3823}}^1$

素因数の和:4157

約数の個数: 64

約数和(自身を含む): 38378520576

約数和(自身を除く): 17185788890

約数列:

[1, 2, 7, 14, 31, 53, 62, 106, 217, 241, 371, 434, 482, 742, 1643, 1687, 3286, 3374, 3823, 7471, 7646, 11501, 12773, 14942, 23002, 25546, 26761, 52297, 53522, 89411, 104594, 118513, 178822, 202619, 237026, 395963, 405238, 791926, 829591, 921343, 1418333, 1659182, 1842686, 2771741, 2836666, 5543482, 6281189, 6449401, 12562378, 12898802, 28561633, 43968323, 48831179, 57123266, 87936646, 97662358, 199931431, 341818253, 399862862, 683636506, 1513766549, 3027533098, 10596365843, 21192731686]

約数ペア:

[(1, 21192731686), (2, 10596365843), (7, 3027533098), (14, 1513766549), (31, 683636506), (53, 399862862), (62, 341818253), (106, 199931431), (217, 97662358), (241, 87936646), (371, 57123266), (434, 48831179), (482, 43968323), (742, 28561633), (1643, 12898802), (1687, 12562378), (3286, 6449401), (3374, 6281189), (3823, 5543482), (7471, 2836666), (7646, 2771741), (11501, 1842686), (12773, 1659182), (14942, 1418333), (23002, 921343), (25546, 829591), (26761, 791926), (52297, 405238), (53522, 395963), (89411, 237026), (104594, 202619), (118513, 178822)]