21269940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15413}}^1$

素因数の和:15448

約数の個数: 48

約数和(自身を含む): 62149248

約数和(自身を除く): 40879308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15413, 30826, 46239, 61652, 77065, 92478, 154130, 184956, 231195, 308260, 354499, 462390, 708998, 924780, 1063497, 1417996, 1772495, 2126994, 3544990, 4253988, 5317485, 7089980, 10634970, 21269940]

約数ペア:

[(1, 21269940), (2, 10634970), (3, 7089980), (4, 5317485), (5, 4253988), (6, 3544990), (10, 2126994), (12, 1772495), (15, 1417996), (20, 1063497), (23, 924780), (30, 708998), (46, 462390), (60, 354499), (69, 308260), (92, 231195), (115, 184956), (138, 154130), (230, 92478), (276, 77065), (345, 61652), (460, 46239), (690, 30826), (1380, 15413)]