21479284

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 38253600

約数和(自身を除く): 16774316

約数列:

[1, 2, 4, 131, 179, 229, 262, 358, 458, 524, 716, 916, 23449, 29999, 40991, 46898, 59998, 81982, 93796, 119996, 163964, 5369821, 10739642, 21479284]

約数ペア:

[(1, 21479284), (2, 10739642), (4, 5369821), (131, 163964), (179, 119996), (229, 93796), (262, 81982), (358, 59998), (458, 46898), (524, 40991), (716, 29999), (916, 23449)]