21894210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18713}}^1$

素因数の和:18739

約数の個数: 48

約数和(自身を含む): 61307064

約数和(自身を除く): 39412854

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 18713, 37426, 56139, 93565, 112278, 168417, 187130, 243269, 280695, 336834, 486538, 561390, 729807, 842085, 1216345, 1459614, 1684170, 2189421, 2432690, 3649035, 4378842, 7298070, 10947105, 21894210]

約数ペア:

[(1, 21894210), (2, 10947105), (3, 7298070), (5, 4378842), (6, 3649035), (9, 2432690), (10, 2189421), (13, 1684170), (15, 1459614), (18, 1216345), (26, 842085), (30, 729807), (39, 561390), (45, 486538), (65, 336834), (78, 280695), (90, 243269), (117, 187130), (130, 168417), (195, 112278), (234, 93565), (390, 56139), (585, 37426), (1170, 18713)]