21534410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 44323200

約数和(自身を除く): 22788790

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 59, 85, 95, 113, 118, 170, 190, 226, 295, 323, 565, 590, 646, 1003, 1121, 1130, 1615, 1921, 2006, 2147, 2242, 3230, 3842, 4294, 5015, 5605, 6667, 9605, 10030, 10735, 11210, 13334, 19057, 19210, 21470, 33335, 36499, 38114, 66670, 72998, 95285, 113339, 126673, 182495, 190570, 226678, 253346, 364990, 566695, 633365, 1133390, 1266730, 2153441, 4306882, 10767205, 21534410]

約数ペア:

[(1, 21534410), (2, 10767205), (5, 4306882), (10, 2153441), (17, 1266730), (19, 1133390), (34, 633365), (38, 566695), (59, 364990), (85, 253346), (95, 226678), (113, 190570), (118, 182495), (170, 126673), (190, 113339), (226, 95285), (295, 72998), (323, 66670), (565, 38114), (590, 36499), (646, 33335), (1003, 21470), (1121, 19210), (1130, 19057), (1615, 13334), (1921, 11210), (2006, 10735), (2147, 10030), (2242, 9605), (3230, 6667), (3842, 5605), (4294, 5015)]