21007362015

素因数分解:

$3^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{461}}^1\times {\mathrm{1487}}^1$

素因数の和:2189

約数の個数: 64

約数和(自身を含む): 37617592320

約数和(自身を除く): 16610230305

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 227, 461, 681, 1135, 1383, 1487, 2043, 2305, 3405, 4149, 4461, 6129, 6915, 7435, 10215, 12447, 13383, 20745, 22305, 30645, 40149, 62235, 66915, 104647, 200745, 313941, 337549, 523235, 685507, 941823, 1012647, 1569705, 1687745, 2056521, 2825469, 3037941, 3427535, 4709115, 5063235, 6169563, 9113823, 10282605, 14127345, 15189705, 18508689, 30847815, 45569115, 92543445, 155610089, 466830267, 778050445, 1400490801, 2334151335, 4201472403, 7002454005, 21007362015]

約数ペア:

[(1, 21007362015), (3, 7002454005), (5, 4201472403), (9, 2334151335), (15, 1400490801), (27, 778050445), (45, 466830267), (135, 155610089), (227, 92543445), (461, 45569115), (681, 30847815), (1135, 18508689), (1383, 15189705), (1487, 14127345), (2043, 10282605), (2305, 9113823), (3405, 6169563), (4149, 5063235), (4461, 4709115), (6129, 3427535), (6915, 3037941), (7435, 2825469), (10215, 2056521), (12447, 1687745), (13383, 1569705), (20745, 1012647), (22305, 941823), (30645, 685507), (40149, 523235), (62235, 337549), (66915, 313941), (104647, 200745)]