21377352

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 56217600

約数和(自身を除く): 34840248

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 59, 62, 93, 118, 124, 177, 186, 236, 248, 354, 372, 472, 487, 708, 744, 974, 1416, 1461, 1829, 1948, 2922, 3658, 3896, 5487, 5844, 7316, 10974, 11688, 14632, 15097, 21948, 28733, 30194, 43896, 45291, 57466, 60388, 86199, 90582, 114932, 120776, 172398, 181164, 229864, 344796, 362328, 689592, 890723, 1781446, 2672169, 3562892, 5344338, 7125784, 10688676, 21377352]

約数ペア:

[(1, 21377352), (2, 10688676), (3, 7125784), (4, 5344338), (6, 3562892), (8, 2672169), (12, 1781446), (24, 890723), (31, 689592), (59, 362328), (62, 344796), (93, 229864), (118, 181164), (124, 172398), (177, 120776), (186, 114932), (236, 90582), (248, 86199), (354, 60388), (372, 57466), (472, 45291), (487, 43896), (708, 30194), (744, 28733), (974, 21948), (1416, 15097), (1461, 14632), (1829, 11688), (1948, 10974), (2922, 7316), (3658, 5844), (3896, 5487)]