21850200

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:282

約数の個数: 144

約数和(自身を含む): 74958000

約数和(自身を除く): 53107800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 61, 72, 75, 90, 100, 120, 122, 150, 180, 183, 199, 200, 225, 244, 300, 305, 360, 366, 398, 450, 488, 549, 597, 600, 610, 732, 796, 900, 915, 995, 1098, 1194, 1220, 1464, 1525, 1592, 1791, 1800, 1830, 1990, 2196, 2388, 2440, 2745, 2985, 3050, 3582, 3660, 3980, 4392, 4575, 4776, 4975, 5490, 5970, 6100, 7164, 7320, 7960, 8955, 9150, 9950, 10980, 11940, 12139, 12200, 13725, 14328, 14925, 17910, 18300, 19900, 21960, 23880, 24278, 27450, 29850, 35820, 36417, 36600, 39800, 44775, 48556, 54900, 59700, 60695, 71640, 72834, 89550, 97112, 109251, 109800, 119400, 121390, 145668, 179100, 182085, 218502, 242780, 291336, 303475, 358200, 364170, 437004, 485560, 546255, 606950, 728340, 874008, 910425, 1092510, 1213900, 1456680, 1820850, 2185020, 2427800, 2731275, 3641700, 4370040, 5462550, 7283400, 10925100, 21850200]

約数ペア:

[(1, 21850200), (2, 10925100), (3, 7283400), (4, 5462550), (5, 4370040), (6, 3641700), (8, 2731275), (9, 2427800), (10, 2185020), (12, 1820850), (15, 1456680), (18, 1213900), (20, 1092510), (24, 910425), (25, 874008), (30, 728340), (36, 606950), (40, 546255), (45, 485560), (50, 437004), (60, 364170), (61, 358200), (72, 303475), (75, 291336), (90, 242780), (100, 218502), (120, 182085), (122, 179100), (150, 145668), (180, 121390), (183, 119400), (199, 109800), (200, 109251), (225, 97112), (244, 89550), (300, 72834), (305, 71640), (360, 60695), (366, 59700), (398, 54900), (450, 48556), (488, 44775), (549, 39800), (597, 36600), (600, 36417), (610, 35820), (732, 29850), (796, 27450), (900, 24278), (915, 23880), (995, 21960), (1098, 19900), (1194, 18300), (1220, 17910), (1464, 14925), (1525, 14328), (1592, 13725), (1791, 12200), (1800, 12139), (1830, 11940), (1990, 10980), (2196, 9950), (2388, 9150), (2440, 8955), (2745, 7960), (2985, 7320), (3050, 7164), (3582, 6100), (3660, 5970), (3980, 5490), (4392, 4975), (4575, 4776)]