21113089010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{71263}}^1$

素因数の和:71379

約数の個数: 64

約数和(自身を含む): 42669462528

約数和(自身を除く): 21556373518

約数列:

[1, 2, 5, 10, 13, 26, 43, 53, 65, 86, 106, 130, 215, 265, 430, 530, 559, 689, 1118, 1378, 2279, 2795, 3445, 4558, 5590, 6890, 11395, 22790, 29627, 59254, 71263, 142526, 148135, 296270, 356315, 712630, 926419, 1852838, 3064309, 3776939, 4632095, 6128618, 7553878, 9264190, 15321545, 18884695, 30643090, 37769390, 39836017, 49100207, 79672034, 98200414, 162408377, 199180085, 245501035, 324816754, 398360170, 491002070, 812041885, 1624083770, 2111308901, 4222617802, 10556544505, 21113089010]

約数ペア:

[(1, 21113089010), (2, 10556544505), (5, 4222617802), (10, 2111308901), (13, 1624083770), (26, 812041885), (43, 491002070), (53, 398360170), (65, 324816754), (86, 245501035), (106, 199180085), (130, 162408377), (215, 98200414), (265, 79672034), (430, 49100207), (530, 39836017), (559, 37769390), (689, 30643090), (1118, 18884695), (1378, 15321545), (2279, 9264190), (2795, 7553878), (3445, 6128618), (4558, 4632095), (5590, 3776939), (6890, 3064309), (11395, 1852838), (22790, 926419), (29627, 712630), (59254, 356315), (71263, 296270), (142526, 148135)]