21417180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18787}}^1$

素因数の和:18818

約数の個数: 48

約数和(自身を含む): 63127680

約数和(自身を除く): 41710500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18787, 37574, 56361, 75148, 93935, 112722, 187870, 225444, 281805, 356953, 375740, 563610, 713906, 1070859, 1127220, 1427812, 1784765, 2141718, 3569530, 4283436, 5354295, 7139060, 10708590, 21417180]

約数ペア:

[(1, 21417180), (2, 10708590), (3, 7139060), (4, 5354295), (5, 4283436), (6, 3569530), (10, 2141718), (12, 1784765), (15, 1427812), (19, 1127220), (20, 1070859), (30, 713906), (38, 563610), (57, 375740), (60, 356953), (76, 281805), (95, 225444), (114, 187870), (190, 112722), (228, 93935), (285, 75148), (380, 56361), (570, 37574), (1140, 18787)]