21010914

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{5639}}^1$

素因数の和:5676

約数の個数: 40

約数和(自身を含む): 49135680

約数和(自身を除く): 28124766

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 5639, 11278, 16917, 33834, 50751, 101502, 129697, 152253, 259394, 304506, 389091, 456759, 778182, 913518, 1167273, 2334546, 3501819, 7003638, 10505457, 21010914]

約数ペア:

[(1, 21010914), (2, 10505457), (3, 7003638), (6, 3501819), (9, 2334546), (18, 1167273), (23, 913518), (27, 778182), (46, 456759), (54, 389091), (69, 304506), (81, 259394), (138, 152253), (162, 129697), (207, 101502), (414, 50751), (621, 33834), (1242, 16917), (1863, 11278), (3726, 5639)]