21369942

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2917}}^1$

素因数の和:2973

約数の個数: 48

約数和(自身を含む): 51893712

約数和(自身を除く): 30523770

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 37, 66, 74, 99, 111, 198, 222, 333, 407, 666, 814, 1221, 2442, 2917, 3663, 5834, 7326, 8751, 17502, 26253, 32087, 52506, 64174, 96261, 107929, 192522, 215858, 288783, 323787, 577566, 647574, 971361, 1187219, 1942722, 2374438, 3561657, 7123314, 10684971, 21369942]

約数ペア:

[(1, 21369942), (2, 10684971), (3, 7123314), (6, 3561657), (9, 2374438), (11, 1942722), (18, 1187219), (22, 971361), (33, 647574), (37, 577566), (66, 323787), (74, 288783), (99, 215858), (111, 192522), (198, 107929), (222, 96261), (333, 64174), (407, 52506), (666, 32087), (814, 26253), (1221, 17502), (2442, 8751), (2917, 7326), (3663, 5834)]