21372078339

素因数分解:

$3^4\times {\mathrm{167}}^1\times {\mathrm{571}}^1\times {\mathrm{2767}}^1$

素因数の和:3517

約数の個数: 40

約数和(自身を含む): 32185241088

約数和(自身を除く): 10813162749

約数列:

[1, 3, 9, 27, 81, 167, 501, 571, 1503, 1713, 2767, 4509, 5139, 8301, 13527, 15417, 24903, 46251, 74709, 95357, 224127, 286071, 462089, 858213, 1386267, 1579957, 2574639, 4158801, 4739871, 7723917, 12476403, 14219613, 37429209, 42658839, 127976517, 263852819, 791558457, 2374675371, 7124026113, 21372078339]

約数ペア:

[(1, 21372078339), (3, 7124026113), (9, 2374675371), (27, 791558457), (81, 263852819), (167, 127976517), (501, 42658839), (571, 37429209), (1503, 14219613), (1713, 12476403), (2767, 7723917), (4509, 4739871), (5139, 4158801), (8301, 2574639), (13527, 1579957), (15417, 1386267), (24903, 858213), (46251, 462089), (74709, 286071), (95357, 224127)]