21075886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1163}}^1$

素因数の和:1236

約数の個数: 32

約数和(自身を含む): 36959328

約数和(自身を除く): 15883442

約数列:

[1, 2, 13, 17, 26, 34, 41, 82, 221, 442, 533, 697, 1066, 1163, 1394, 2326, 9061, 15119, 18122, 19771, 30238, 39542, 47683, 95366, 257023, 514046, 619879, 810611, 1239758, 1621222, 10537943, 21075886]

約数ペア:

[(1, 21075886), (2, 10537943), (13, 1621222), (17, 1239758), (26, 810611), (34, 619879), (41, 514046), (82, 257023), (221, 95366), (442, 47683), (533, 39542), (697, 30238), (1066, 19771), (1163, 18122), (1394, 15119), (2326, 9061)]