21934180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1163}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 49279104

約数和(自身を除く): 27344924

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1163, 1886, 2326, 3772, 4652, 4715, 5815, 9430, 11630, 18860, 23260, 26749, 47683, 53498, 95366, 106996, 133745, 190732, 238415, 267490, 476830, 534980, 953660, 1096709, 2193418, 4386836, 5483545, 10967090, 21934180]

約数ペア:

[(1, 21934180), (2, 10967090), (4, 5483545), (5, 4386836), (10, 2193418), (20, 1096709), (23, 953660), (41, 534980), (46, 476830), (82, 267490), (92, 238415), (115, 190732), (164, 133745), (205, 106996), (230, 95366), (410, 53498), (460, 47683), (820, 26749), (943, 23260), (1163, 18860), (1886, 11630), (2326, 9430), (3772, 5815), (4652, 4715)]