21972993

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1009}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 36069120

約数和(自身を除く): 14096127

約数列:

[1, 3, 7, 17, 21, 51, 61, 119, 183, 357, 427, 1009, 1037, 1281, 3027, 3111, 7063, 7259, 17153, 21189, 21777, 51459, 61549, 120071, 184647, 360213, 430843, 1046333, 1292529, 3138999, 7324331, 21972993]

約数ペア:

[(1, 21972993), (3, 7324331), (7, 3138999), (17, 1292529), (21, 1046333), (51, 430843), (61, 360213), (119, 184647), (183, 120071), (357, 61549), (427, 51459), (1009, 21777), (1037, 21189), (1281, 17153), (3027, 7259), (3111, 7063)]