21782358

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{10343}}^1$

素因数の和:10370

約数の個数: 40

約数和(自身を含む): 52568208

約数和(自身を除く): 30785850

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 10343, 20686, 31029, 62058, 93087, 134459, 186174, 268918, 279261, 403377, 558522, 806754, 837783, 1210131, 1675566, 2420262, 3630393, 7260786, 10891179, 21782358]

約数ペア:

[(1, 21782358), (2, 10891179), (3, 7260786), (6, 3630393), (9, 2420262), (13, 1675566), (18, 1210131), (26, 837783), (27, 806754), (39, 558522), (54, 403377), (78, 279261), (81, 268918), (117, 186174), (162, 134459), (234, 93087), (351, 62058), (702, 31029), (1053, 20686), (2106, 10343)]