21023667070

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{142543}}^1$

素因数の和:142614

約数の個数: 64

約数和(自身を含む): 45157939200

約数和(自身を除く): 24134272130

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 215, 245, 301, 343, 430, 490, 602, 686, 1505, 1715, 2107, 3010, 3430, 4214, 10535, 14749, 21070, 29498, 73745, 142543, 147490, 285086, 712715, 997801, 1425430, 1995602, 4989005, 6129349, 6984607, 9978010, 12258698, 13969214, 30646745, 34923035, 42905443, 48892249, 61293490, 69846070, 85810886, 97784498, 214527215, 244461245, 300338101, 429054430, 488922490, 600676202, 1501690505, 2102366707, 3003381010, 4204733414, 10511833535, 21023667070]

約数ペア:

[(1, 21023667070), (2, 10511833535), (5, 4204733414), (7, 3003381010), (10, 2102366707), (14, 1501690505), (35, 600676202), (43, 488922490), (49, 429054430), (70, 300338101), (86, 244461245), (98, 214527215), (215, 97784498), (245, 85810886), (301, 69846070), (343, 61293490), (430, 48892249), (490, 42905443), (602, 34923035), (686, 30646745), (1505, 13969214), (1715, 12258698), (2107, 9978010), (3010, 6984607), (3430, 6129349), (4214, 4989005), (10535, 1995602), (14749, 1425430), (21070, 997801), (29498, 712715), (73745, 285086), (142543, 147490)]