21825858

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 47656224

約数和(自身を除く): 25830366

約数列:

[1, 2, 3, 6, 17, 34, 41, 51, 82, 102, 123, 246, 289, 307, 578, 614, 697, 867, 921, 1394, 1734, 1842, 2091, 4182, 5219, 10438, 11849, 12587, 15657, 23698, 25174, 31314, 35547, 37761, 71094, 75522, 88723, 177446, 213979, 266169, 427958, 532338, 641937, 1283874, 3637643, 7275286, 10912929, 21825858]

約数ペア:

[(1, 21825858), (2, 10912929), (3, 7275286), (6, 3637643), (17, 1283874), (34, 641937), (41, 532338), (51, 427958), (82, 266169), (102, 213979), (123, 177446), (246, 88723), (289, 75522), (307, 71094), (578, 37761), (614, 35547), (697, 31314), (867, 25174), (921, 23698), (1394, 15657), (1734, 12587), (1842, 11849), (2091, 10438), (4182, 5219)]