21980862

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{6673}}^1$

素因数の和:6745

約数の個数: 32

約数和(自身を含む): 49654560

約数和(自身を除く): 27673698

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 122, 183, 366, 549, 1098, 1647, 3294, 6673, 13346, 20019, 40038, 60057, 120114, 180171, 360342, 407053, 814106, 1221159, 2442318, 3663477, 7326954, 10990431, 21980862]

約数ペア:

[(1, 21980862), (2, 10990431), (3, 7326954), (6, 3663477), (9, 2442318), (18, 1221159), (27, 814106), (54, 407053), (61, 360342), (122, 180171), (183, 120114), (366, 60057), (549, 40038), (1098, 20019), (1647, 13346), (3294, 6673)]