21319416

素因数分解:

$2^3\times 3^3\times {\mathrm{89}}^1\times {\mathrm{1109}}^1$

素因数の和:1213

約数の個数: 64

約数和(自身を含む): 59940000

約数和(自身を除く): 38620584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 89, 108, 178, 216, 267, 356, 534, 712, 801, 1068, 1109, 1602, 2136, 2218, 2403, 3204, 3327, 4436, 4806, 6408, 6654, 8872, 9612, 9981, 13308, 19224, 19962, 26616, 29943, 39924, 59886, 79848, 98701, 119772, 197402, 239544, 296103, 394804, 592206, 789608, 888309, 1184412, 1776618, 2368824, 2664927, 3553236, 5329854, 7106472, 10659708, 21319416]

約数ペア:

[(1, 21319416), (2, 10659708), (3, 7106472), (4, 5329854), (6, 3553236), (8, 2664927), (9, 2368824), (12, 1776618), (18, 1184412), (24, 888309), (27, 789608), (36, 592206), (54, 394804), (72, 296103), (89, 239544), (108, 197402), (178, 119772), (216, 98701), (267, 79848), (356, 59886), (534, 39924), (712, 29943), (801, 26616), (1068, 19962), (1109, 19224), (1602, 13308), (2136, 9981), (2218, 9612), (2403, 8872), (3204, 6654), (3327, 6408), (4436, 4806)]