21943380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15901}}^1$

素因数の和:15936

約数の個数: 48

約数和(自身を含む): 64116864

約数和(自身を除く): 42173484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15901, 31802, 47703, 63604, 79505, 95406, 159010, 190812, 238515, 318020, 365723, 477030, 731446, 954060, 1097169, 1462892, 1828615, 2194338, 3657230, 4388676, 5485845, 7314460, 10971690, 21943380]

約数ペア:

[(1, 21943380), (2, 10971690), (3, 7314460), (4, 5485845), (5, 4388676), (6, 3657230), (10, 2194338), (12, 1828615), (15, 1462892), (20, 1097169), (23, 954060), (30, 731446), (46, 477030), (60, 365723), (69, 318020), (92, 238515), (115, 190812), (138, 159010), (230, 95406), (276, 79505), (345, 63604), (460, 47703), (690, 31802), (1380, 15901)]