21725100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:360

約数の個数: 108

約数和(自身を含む): 69058080

約数和(自身を除く): 47332980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 101, 150, 180, 202, 225, 239, 300, 303, 404, 450, 478, 505, 606, 717, 900, 909, 956, 1010, 1195, 1212, 1434, 1515, 1818, 2020, 2151, 2390, 2525, 2868, 3030, 3585, 3636, 4302, 4545, 4780, 5050, 5975, 6060, 7170, 7575, 8604, 9090, 10100, 10755, 11950, 14340, 15150, 17925, 18180, 21510, 22725, 23900, 24139, 30300, 35850, 43020, 45450, 48278, 53775, 71700, 72417, 90900, 96556, 107550, 120695, 144834, 215100, 217251, 241390, 289668, 362085, 434502, 482780, 603475, 724170, 869004, 1086255, 1206950, 1448340, 1810425, 2172510, 2413900, 3620850, 4345020, 5431275, 7241700, 10862550, 21725100]

約数ペア:

[(1, 21725100), (2, 10862550), (3, 7241700), (4, 5431275), (5, 4345020), (6, 3620850), (9, 2413900), (10, 2172510), (12, 1810425), (15, 1448340), (18, 1206950), (20, 1086255), (25, 869004), (30, 724170), (36, 603475), (45, 482780), (50, 434502), (60, 362085), (75, 289668), (90, 241390), (100, 217251), (101, 215100), (150, 144834), (180, 120695), (202, 107550), (225, 96556), (239, 90900), (300, 72417), (303, 71700), (404, 53775), (450, 48278), (478, 45450), (505, 43020), (606, 35850), (717, 30300), (900, 24139), (909, 23900), (956, 22725), (1010, 21510), (1195, 18180), (1212, 17925), (1434, 15150), (1515, 14340), (1818, 11950), (2020, 10755), (2151, 10100), (2390, 9090), (2525, 8604), (2868, 7575), (3030, 7170), (3585, 6060), (3636, 5975), (4302, 5050), (4545, 4780)]