21971415

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{953}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 37091520

約数和(自身を除く): 15120105

約数列:

[1, 3, 5, 15, 29, 53, 87, 145, 159, 265, 435, 795, 953, 1537, 2859, 4611, 4765, 7685, 14295, 23055, 27637, 50509, 82911, 138185, 151527, 252545, 414555, 757635, 1464761, 4394283, 7323805, 21971415]

約数ペア:

[(1, 21971415), (3, 7323805), (5, 4394283), (15, 1464761), (29, 757635), (53, 414555), (87, 252545), (145, 151527), (159, 138185), (265, 82911), (435, 50509), (795, 27637), (953, 23055), (1537, 14295), (2859, 7685), (4611, 4765)]