21340338

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 46919424

約数和(自身を除く): 25579086

約数列:

[1, 2, 3, 6, 17, 31, 34, 51, 62, 93, 102, 186, 289, 397, 527, 578, 794, 867, 1054, 1191, 1581, 1734, 2382, 3162, 6749, 8959, 12307, 13498, 17918, 20247, 24614, 26877, 36921, 40494, 53754, 73842, 114733, 209219, 229466, 344199, 418438, 627657, 688398, 1255314, 3556723, 7113446, 10670169, 21340338]

約数ペア:

[(1, 21340338), (2, 10670169), (3, 7113446), (6, 3556723), (17, 1255314), (31, 688398), (34, 627657), (51, 418438), (62, 344199), (93, 229466), (102, 209219), (186, 114733), (289, 73842), (397, 53754), (527, 40494), (578, 36921), (794, 26877), (867, 24614), (1054, 20247), (1191, 17918), (1581, 13498), (1734, 12307), (2382, 8959), (3162, 6749)]