21194340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9547}}^1$

素因数の和:9596

約数の個数: 48

約数和(自身を含む): 60954432

約数和(自身を除く): 39760092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9547, 19094, 28641, 38188, 47735, 57282, 95470, 114564, 143205, 190940, 286410, 353239, 572820, 706478, 1059717, 1412956, 1766195, 2119434, 3532390, 4238868, 5298585, 7064780, 10597170, 21194340]

約数ペア:

[(1, 21194340), (2, 10597170), (3, 7064780), (4, 5298585), (5, 4238868), (6, 3532390), (10, 2119434), (12, 1766195), (15, 1412956), (20, 1059717), (30, 706478), (37, 572820), (60, 353239), (74, 286410), (111, 190940), (148, 143205), (185, 114564), (222, 95470), (370, 57282), (444, 47735), (555, 38188), (740, 28641), (1110, 19094), (2220, 9547)]