21958704

素因数分解:

$2^4\times 3^2\times {\mathrm{109}}^1\times {\mathrm{1399}}^1$

素因数の和:1522

約数の個数: 60

約数和(自身を含む): 62062000

約数和(自身を除く): 40103296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 109, 144, 218, 327, 436, 654, 872, 981, 1308, 1399, 1744, 1962, 2616, 2798, 3924, 4197, 5232, 5596, 7848, 8394, 11192, 12591, 15696, 16788, 22384, 25182, 33576, 50364, 67152, 100728, 152491, 201456, 304982, 457473, 609964, 914946, 1219928, 1372419, 1829892, 2439856, 2744838, 3659784, 5489676, 7319568, 10979352, 21958704]

約数ペア:

[(1, 21958704), (2, 10979352), (3, 7319568), (4, 5489676), (6, 3659784), (8, 2744838), (9, 2439856), (12, 1829892), (16, 1372419), (18, 1219928), (24, 914946), (36, 609964), (48, 457473), (72, 304982), (109, 201456), (144, 152491), (218, 100728), (327, 67152), (436, 50364), (654, 33576), (872, 25182), (981, 22384), (1308, 16788), (1399, 15696), (1744, 12591), (1962, 11192), (2616, 8394), (2798, 7848), (3924, 5596), (4197, 5232)]