21024120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13477}}^1$

素因数の和:13504

約数の個数: 64

約数和(自身を含む): 67929120

約数和(自身を除く): 46905000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 13477, 26954, 40431, 53908, 67385, 80862, 107816, 134770, 161724, 175201, 202155, 269540, 323448, 350402, 404310, 525603, 539080, 700804, 808620, 876005, 1051206, 1401608, 1617240, 1752010, 2102412, 2628015, 3504020, 4204824, 5256030, 7008040, 10512060, 21024120]

約数ペア:

[(1, 21024120), (2, 10512060), (3, 7008040), (4, 5256030), (5, 4204824), (6, 3504020), (8, 2628015), (10, 2102412), (12, 1752010), (13, 1617240), (15, 1401608), (20, 1051206), (24, 876005), (26, 808620), (30, 700804), (39, 539080), (40, 525603), (52, 404310), (60, 350402), (65, 323448), (78, 269540), (104, 202155), (120, 175201), (130, 161724), (156, 134770), (195, 107816), (260, 80862), (312, 67385), (390, 53908), (520, 40431), (780, 26954), (1560, 13477)]