21491706

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9161}}^1$

素因数の和:9206

約数の個数: 32

約数和(自身を含む): 47495808

約数和(自身を除く): 26004102

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 102, 138, 391, 782, 1173, 2346, 9161, 18322, 27483, 54966, 155737, 210703, 311474, 421406, 467211, 632109, 934422, 1264218, 3581951, 7163902, 10745853, 21491706]

約数ペア:

[(1, 21491706), (2, 10745853), (3, 7163902), (6, 3581951), (17, 1264218), (23, 934422), (34, 632109), (46, 467211), (51, 421406), (69, 311474), (102, 210703), (138, 155737), (391, 54966), (782, 27483), (1173, 18322), (2346, 9161)]