21872200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{919}}^1$

素因数の和:959

約数の個数: 96

約数和(自身を含む): 61603200

約数和(自身を除く): 39731000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 34, 35, 40, 50, 56, 68, 70, 85, 100, 119, 136, 140, 170, 175, 200, 238, 280, 340, 350, 425, 476, 595, 680, 700, 850, 919, 952, 1190, 1400, 1700, 1838, 2380, 2975, 3400, 3676, 4595, 4760, 5950, 6433, 7352, 9190, 11900, 12866, 15623, 18380, 22975, 23800, 25732, 31246, 32165, 36760, 45950, 51464, 62492, 64330, 78115, 91900, 109361, 124984, 128660, 156230, 160825, 183800, 218722, 257320, 312460, 321650, 390575, 437444, 546805, 624920, 643300, 781150, 874888, 1093610, 1286600, 1562300, 2187220, 2734025, 3124600, 4374440, 5468050, 10936100, 21872200]

約数ペア:

[(1, 21872200), (2, 10936100), (4, 5468050), (5, 4374440), (7, 3124600), (8, 2734025), (10, 2187220), (14, 1562300), (17, 1286600), (20, 1093610), (25, 874888), (28, 781150), (34, 643300), (35, 624920), (40, 546805), (50, 437444), (56, 390575), (68, 321650), (70, 312460), (85, 257320), (100, 218722), (119, 183800), (136, 160825), (140, 156230), (170, 128660), (175, 124984), (200, 109361), (238, 91900), (280, 78115), (340, 64330), (350, 62492), (425, 51464), (476, 45950), (595, 36760), (680, 32165), (700, 31246), (850, 25732), (919, 23800), (952, 22975), (1190, 18380), (1400, 15623), (1700, 12866), (1838, 11900), (2380, 9190), (2975, 7352), (3400, 6433), (3676, 5950), (4595, 4760)]