21053634

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3769}}^1$

素因数の和:3807

約数の個数: 48

約数和(自身を含む): 51573600

約数和(自身を除く): 30519966

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 399, 798, 931, 1862, 2793, 3769, 5586, 7538, 11307, 22614, 26383, 52766, 71611, 79149, 143222, 158298, 184681, 214833, 369362, 429666, 501277, 554043, 1002554, 1108086, 1503831, 3007662, 3508939, 7017878, 10526817, 21053634]

約数ペア:

[(1, 21053634), (2, 10526817), (3, 7017878), (6, 3508939), (7, 3007662), (14, 1503831), (19, 1108086), (21, 1002554), (38, 554043), (42, 501277), (49, 429666), (57, 369362), (98, 214833), (114, 184681), (133, 158298), (147, 143222), (266, 79149), (294, 71611), (399, 52766), (798, 26383), (931, 22614), (1862, 11307), (2793, 7538), (3769, 5586)]