21415860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39659}}^1$

素因数の和:39677

約数の個数: 48

約数和(自身を含む): 66628800

約数和(自身を除く): 45212940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39659, 79318, 118977, 158636, 198295, 237954, 356931, 396590, 475908, 594885, 713862, 793180, 1070793, 1189770, 1427724, 1784655, 2141586, 2379540, 3569310, 4283172, 5353965, 7138620, 10707930, 21415860]

約数ペア:

[(1, 21415860), (2, 10707930), (3, 7138620), (4, 5353965), (5, 4283172), (6, 3569310), (9, 2379540), (10, 2141586), (12, 1784655), (15, 1427724), (18, 1189770), (20, 1070793), (27, 793180), (30, 713862), (36, 594885), (45, 475908), (54, 396590), (60, 356931), (90, 237954), (108, 198295), (135, 158636), (180, 118977), (270, 79318), (540, 39659)]