16921044

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{809}}^1$

素因数の和:909

約数の個数: 72

約数和(自身を含む): 49533120

約数和(自身を除く): 32612076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 83, 84, 126, 166, 249, 252, 332, 498, 581, 747, 809, 996, 1162, 1494, 1618, 1743, 2324, 2427, 2988, 3236, 3486, 4854, 5229, 5663, 6972, 7281, 9708, 10458, 11326, 14562, 16989, 20916, 22652, 29124, 33978, 50967, 67147, 67956, 101934, 134294, 201441, 203868, 268588, 402882, 470029, 604323, 805764, 940058, 1208646, 1410087, 1880116, 2417292, 2820174, 4230261, 5640348, 8460522, 16921044]

約数ペア:

[(1, 16921044), (2, 8460522), (3, 5640348), (4, 4230261), (6, 2820174), (7, 2417292), (9, 1880116), (12, 1410087), (14, 1208646), (18, 940058), (21, 805764), (28, 604323), (36, 470029), (42, 402882), (63, 268588), (83, 203868), (84, 201441), (126, 134294), (166, 101934), (249, 67956), (252, 67147), (332, 50967), (498, 33978), (581, 29124), (747, 22652), (809, 20916), (996, 16989), (1162, 14562), (1494, 11326), (1618, 10458), (1743, 9708), (2324, 7281), (2427, 6972), (2988, 5663), (3236, 5229), (3486, 4854)]