21549736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1901}}^1$

素因数の和:2029

約数の個数: 32

約数和(自身を含む): 43936200

約数和(自身を除く): 22386464

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 436, 872, 1417, 1901, 2834, 3802, 5668, 7604, 11336, 15208, 24713, 49426, 98852, 197704, 207209, 414418, 828836, 1657672, 2693717, 5387434, 10774868, 21549736]

約数ペア:

[(1, 21549736), (2, 10774868), (4, 5387434), (8, 2693717), (13, 1657672), (26, 828836), (52, 414418), (104, 207209), (109, 197704), (218, 98852), (436, 49426), (872, 24713), (1417, 15208), (1901, 11336), (2834, 7604), (3802, 5668)]