21515692020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{9547}}^1\times {\mathrm{37561}}^1$

素因数の和:47120

約数の個数: 48

約数和(自身を含む): 60251851968

約数和(自身を除く): 38736159948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 9547, 19094, 28641, 37561, 38188, 47735, 57282, 75122, 95470, 112683, 114564, 143205, 150244, 187805, 190940, 225366, 286410, 375610, 450732, 563415, 572820, 751220, 1126830, 2253660, 358594867, 717189734, 1075784601, 1434379468, 1792974335, 2151569202, 3585948670, 4303138404, 5378923005, 7171897340, 10757846010, 21515692020]

約数ペア:

[(1, 21515692020), (2, 10757846010), (3, 7171897340), (4, 5378923005), (5, 4303138404), (6, 3585948670), (10, 2151569202), (12, 1792974335), (15, 1434379468), (20, 1075784601), (30, 717189734), (60, 358594867), (9547, 2253660), (19094, 1126830), (28641, 751220), (37561, 572820), (38188, 563415), (47735, 450732), (57282, 375610), (75122, 286410), (95470, 225366), (112683, 190940), (114564, 187805), (143205, 150244)]