21103460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8867}}^1$

素因数の和:8900

約数の個数: 48

約数和(自身を含む): 53633664

約数和(自身を除く): 32530204

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 8867, 17734, 35468, 44335, 62069, 88670, 124138, 150739, 177340, 248276, 301478, 310345, 602956, 620690, 753695, 1055173, 1241380, 1507390, 2110346, 3014780, 4220692, 5275865, 10551730, 21103460]

約数ペア:

[(1, 21103460), (2, 10551730), (4, 5275865), (5, 4220692), (7, 3014780), (10, 2110346), (14, 1507390), (17, 1241380), (20, 1055173), (28, 753695), (34, 620690), (35, 602956), (68, 310345), (70, 301478), (85, 248276), (119, 177340), (140, 150739), (170, 124138), (238, 88670), (340, 62069), (476, 44335), (595, 35468), (1190, 17734), (2380, 8867)]