21237536

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{7457}}^1$

素因数の和:7556

約数の個数: 24

約数和(自身を含む): 42286860

約数和(自身を除く): 21049324

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 7457, 14914, 29828, 59656, 119312, 238624, 663673, 1327346, 2654692, 5309384, 10618768, 21237536]

約数ペア:

[(1, 21237536), (2, 10618768), (4, 5309384), (8, 2654692), (16, 1327346), (32, 663673), (89, 238624), (178, 119312), (356, 59656), (712, 29828), (1424, 14914), (2848, 7457)]