21359770

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{883}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 40098240

約数和(自身を除く): 18738470

約数列:

[1, 2, 5, 10, 41, 59, 82, 118, 205, 295, 410, 590, 883, 1766, 2419, 4415, 4838, 8830, 12095, 24190, 36203, 52097, 72406, 104194, 181015, 260485, 362030, 520970, 2135977, 4271954, 10679885, 21359770]

約数ペア:

[(1, 21359770), (2, 10679885), (5, 4271954), (10, 2135977), (41, 520970), (59, 362030), (82, 260485), (118, 181015), (205, 104194), (295, 72406), (410, 52097), (590, 36203), (883, 24190), (1766, 12095), (2419, 8830), (4415, 4838)]