21263544

素因数分解:

$2^3\times 3^2\times {\mathrm{227}}^1\times {\mathrm{1301}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 57886920

約数和(自身を除く): 36623376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 227, 454, 681, 908, 1301, 1362, 1816, 2043, 2602, 2724, 3903, 4086, 5204, 5448, 7806, 8172, 10408, 11709, 15612, 16344, 23418, 31224, 46836, 93672, 295327, 590654, 885981, 1181308, 1771962, 2362616, 2657943, 3543924, 5315886, 7087848, 10631772, 21263544]

約数ペア:

[(1, 21263544), (2, 10631772), (3, 7087848), (4, 5315886), (6, 3543924), (8, 2657943), (9, 2362616), (12, 1771962), (18, 1181308), (24, 885981), (36, 590654), (72, 295327), (227, 93672), (454, 46836), (681, 31224), (908, 23418), (1301, 16344), (1362, 15612), (1816, 11709), (2043, 10408), (2602, 8172), (2724, 7806), (3903, 5448), (4086, 5204)]