21344340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8273}}^1$

素因数の和:8328

約数の個数: 48

約数和(自身を含む): 61161408

約数和(自身を除く): 39817068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 8273, 16546, 24819, 33092, 41365, 49638, 82730, 99276, 124095, 165460, 248190, 355739, 496380, 711478, 1067217, 1422956, 1778695, 2134434, 3557390, 4268868, 5336085, 7114780, 10672170, 21344340]

約数ペア:

[(1, 21344340), (2, 10672170), (3, 7114780), (4, 5336085), (5, 4268868), (6, 3557390), (10, 2134434), (12, 1778695), (15, 1422956), (20, 1067217), (30, 711478), (43, 496380), (60, 355739), (86, 248190), (129, 165460), (172, 124095), (215, 99276), (258, 82730), (430, 49638), (516, 41365), (645, 33092), (860, 24819), (1290, 16546), (2580, 8273)]