21054776

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{857}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 41081040

約数和(自身を除く): 20026264

約数列:

[1, 2, 4, 8, 37, 74, 83, 148, 166, 296, 332, 664, 857, 1714, 3071, 3428, 6142, 6856, 12284, 24568, 31709, 63418, 71131, 126836, 142262, 253672, 284524, 569048, 2631847, 5263694, 10527388, 21054776]

約数ペア:

[(1, 21054776), (2, 10527388), (4, 5263694), (8, 2631847), (37, 569048), (74, 284524), (83, 253672), (148, 142262), (166, 126836), (296, 71131), (332, 63418), (664, 31709), (857, 24568), (1714, 12284), (3071, 6856), (3428, 6142)]