10921990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1567}}^1$

素因数の和:1632

約数の個数: 32

約数和(自身を含む): 21337344

約数和(自身を除く): 10415354

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 1567, 3134, 3485, 6970, 7835, 15670, 26639, 53278, 64247, 128494, 133195, 266390, 321235, 642470, 1092199, 2184398, 5460995, 10921990]

約数ペア:

[(1, 10921990), (2, 5460995), (5, 2184398), (10, 1092199), (17, 642470), (34, 321235), (41, 266390), (82, 133195), (85, 128494), (170, 64247), (205, 53278), (410, 26639), (697, 15670), (1394, 7835), (1567, 6970), (3134, 3485)]