21096650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 42184800

約数和(自身を除く): 21088150

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 53, 95, 106, 190, 265, 419, 475, 530, 838, 950, 1007, 1325, 2014, 2095, 2650, 4190, 5035, 7961, 10070, 10475, 15922, 20950, 22207, 25175, 39805, 44414, 50350, 79610, 111035, 199025, 222070, 398050, 421933, 555175, 843866, 1110350, 2109665, 4219330, 10548325, 21096650]

約数ペア:

[(1, 21096650), (2, 10548325), (5, 4219330), (10, 2109665), (19, 1110350), (25, 843866), (38, 555175), (50, 421933), (53, 398050), (95, 222070), (106, 199025), (190, 111035), (265, 79610), (419, 50350), (475, 44414), (530, 39805), (838, 25175), (950, 22207), (1007, 20950), (1325, 15922), (2014, 10475), (2095, 10070), (2650, 7961), (4190, 5035)]