21192270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:601

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 34794930

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 149, 165, 298, 330, 431, 447, 745, 862, 894, 1293, 1490, 1639, 2155, 2235, 2586, 3278, 4310, 4470, 4741, 4917, 6465, 8195, 9482, 9834, 12930, 14223, 16390, 23705, 24585, 28446, 47410, 49170, 64219, 71115, 128438, 142230, 192657, 321095, 385314, 642190, 706409, 963285, 1412818, 1926570, 2119227, 3532045, 4238454, 7064090, 10596135, 21192270]

約数ペア:

[(1, 21192270), (2, 10596135), (3, 7064090), (5, 4238454), (6, 3532045), (10, 2119227), (11, 1926570), (15, 1412818), (22, 963285), (30, 706409), (33, 642190), (55, 385314), (66, 321095), (110, 192657), (149, 142230), (165, 128438), (298, 71115), (330, 64219), (431, 49170), (447, 47410), (745, 28446), (862, 24585), (894, 23705), (1293, 16390), (1490, 14223), (1639, 12930), (2155, 9834), (2235, 9482), (2586, 8195), (3278, 6465), (4310, 4917), (4470, 4741)]