21007156677

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{314813}}^1$

素因数の和:314917

約数の個数: 32

約数和(自身を含む): 31733251200

約数和(自身を除く): 10726094523

約数列:

[1, 3, 13, 29, 39, 59, 87, 177, 377, 767, 1131, 1711, 2301, 5133, 22243, 66729, 314813, 944439, 4092569, 9129577, 12277707, 18573967, 27388731, 55721901, 118684501, 241461571, 356053503, 538645043, 724384713, 1615935129, 7002385559, 21007156677]

約数ペア:

[(1, 21007156677), (3, 7002385559), (13, 1615935129), (29, 724384713), (39, 538645043), (59, 356053503), (87, 241461571), (177, 118684501), (377, 55721901), (767, 27388731), (1131, 18573967), (1711, 12277707), (2301, 9129577), (5133, 4092569), (22243, 944439), (66729, 314813)]