21867027

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{463}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 36169728

約数和(自身を除く): 14302701

約数列:

[1, 3, 7, 13, 21, 39, 91, 173, 273, 463, 519, 1211, 1389, 2249, 3241, 3633, 6019, 6747, 9723, 15743, 18057, 42133, 47229, 80099, 126399, 240297, 560693, 1041287, 1682079, 3123861, 7289009, 21867027]

約数ペア:

[(1, 21867027), (3, 7289009), (7, 3123861), (13, 1682079), (21, 1041287), (39, 560693), (91, 240297), (173, 126399), (273, 80099), (463, 47229), (519, 42133), (1211, 18057), (1389, 15743), (2249, 9723), (3241, 6747), (3633, 6019)]