21780570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6101}}^1$

素因数の和:6135

約数の個数: 64

約数和(自身を含む): 63265536

約数和(自身を除く): 41484966

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 6101, 12202, 18303, 30505, 36606, 42707, 61010, 85414, 91515, 103717, 128121, 183030, 207434, 213535, 256242, 311151, 427070, 518585, 622302, 640605, 726019, 1037170, 1281210, 1452038, 1555755, 2178057, 3111510, 3630095, 4356114, 7260190, 10890285, 21780570]

約数ペア:

[(1, 21780570), (2, 10890285), (3, 7260190), (5, 4356114), (6, 3630095), (7, 3111510), (10, 2178057), (14, 1555755), (15, 1452038), (17, 1281210), (21, 1037170), (30, 726019), (34, 640605), (35, 622302), (42, 518585), (51, 427070), (70, 311151), (85, 256242), (102, 213535), (105, 207434), (119, 183030), (170, 128121), (210, 103717), (238, 91515), (255, 85414), (357, 61010), (510, 42707), (595, 36606), (714, 30505), (1190, 18303), (1785, 12202), (3570, 6101)]