21998520050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{60761}}^1$

素因数の和:61343

約数の個数: 48

約数和(自身を含む): 44144565192

約数和(自身を除く): 22146045142

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 557, 650, 1114, 2785, 5570, 7241, 13925, 14482, 27850, 36205, 60761, 72410, 121522, 181025, 303805, 362050, 607610, 789893, 1519025, 1579786, 3038050, 3949465, 7898930, 19747325, 33843877, 39494650, 67687754, 169219385, 338438770, 439970401, 846096925, 879940802, 1692193850, 2199852005, 4399704010, 10999260025, 21998520050]

約数ペア:

[(1, 21998520050), (2, 10999260025), (5, 4399704010), (10, 2199852005), (13, 1692193850), (25, 879940802), (26, 846096925), (50, 439970401), (65, 338438770), (130, 169219385), (325, 67687754), (557, 39494650), (650, 33843877), (1114, 19747325), (2785, 7898930), (5570, 3949465), (7241, 3038050), (13925, 1579786), (14482, 1519025), (27850, 789893), (36205, 607610), (60761, 362050), (72410, 303805), (121522, 181025)]