21282600

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:547

約数の個数: 96

約数和(自身を含む): 66960000

約数和(自身を除く): 45677400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 79, 100, 120, 150, 158, 200, 237, 300, 316, 395, 449, 474, 600, 632, 790, 898, 948, 1185, 1347, 1580, 1796, 1896, 1975, 2245, 2370, 2694, 3160, 3592, 3950, 4490, 4740, 5388, 5925, 6735, 7900, 8980, 9480, 10776, 11225, 11850, 13470, 15800, 17960, 22450, 23700, 26940, 33675, 35471, 44900, 47400, 53880, 67350, 70942, 89800, 106413, 134700, 141884, 177355, 212826, 269400, 283768, 354710, 425652, 532065, 709420, 851304, 886775, 1064130, 1418840, 1773550, 2128260, 2660325, 3547100, 4256520, 5320650, 7094200, 10641300, 21282600]

約数ペア:

[(1, 21282600), (2, 10641300), (3, 7094200), (4, 5320650), (5, 4256520), (6, 3547100), (8, 2660325), (10, 2128260), (12, 1773550), (15, 1418840), (20, 1064130), (24, 886775), (25, 851304), (30, 709420), (40, 532065), (50, 425652), (60, 354710), (75, 283768), (79, 269400), (100, 212826), (120, 177355), (150, 141884), (158, 134700), (200, 106413), (237, 89800), (300, 70942), (316, 67350), (395, 53880), (449, 47400), (474, 44900), (600, 35471), (632, 33675), (790, 26940), (898, 23700), (948, 22450), (1185, 17960), (1347, 15800), (1580, 13470), (1796, 11850), (1896, 11225), (1975, 10776), (2245, 9480), (2370, 8980), (2694, 7900), (3160, 6735), (3592, 5925), (3950, 5388), (4490, 4740)]