21591600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:987

約数の個数: 120

約数和(自身を含む): 72882240

約数和(自身を除く): 51290640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 38, 40, 48, 50, 57, 60, 75, 76, 80, 95, 100, 114, 120, 150, 152, 190, 200, 228, 240, 285, 300, 304, 380, 400, 456, 475, 570, 600, 760, 912, 947, 950, 1140, 1200, 1425, 1520, 1894, 1900, 2280, 2841, 2850, 3788, 3800, 4560, 4735, 5682, 5700, 7576, 7600, 9470, 11364, 11400, 14205, 15152, 17993, 18940, 22728, 22800, 23675, 28410, 35986, 37880, 45456, 47350, 53979, 56820, 71025, 71972, 75760, 89965, 94700, 107958, 113640, 142050, 143944, 179930, 189400, 215916, 227280, 269895, 284100, 287888, 359860, 378800, 431832, 449825, 539790, 568200, 719720, 863664, 899650, 1079580, 1136400, 1349475, 1439440, 1799300, 2159160, 2698950, 3598600, 4318320, 5397900, 7197200, 10795800, 21591600]

約数ペア:

[(1, 21591600), (2, 10795800), (3, 7197200), (4, 5397900), (5, 4318320), (6, 3598600), (8, 2698950), (10, 2159160), (12, 1799300), (15, 1439440), (16, 1349475), (19, 1136400), (20, 1079580), (24, 899650), (25, 863664), (30, 719720), (38, 568200), (40, 539790), (48, 449825), (50, 431832), (57, 378800), (60, 359860), (75, 287888), (76, 284100), (80, 269895), (95, 227280), (100, 215916), (114, 189400), (120, 179930), (150, 143944), (152, 142050), (190, 113640), (200, 107958), (228, 94700), (240, 89965), (285, 75760), (300, 71972), (304, 71025), (380, 56820), (400, 53979), (456, 47350), (475, 45456), (570, 37880), (600, 35986), (760, 28410), (912, 23675), (947, 22800), (950, 22728), (1140, 18940), (1200, 17993), (1425, 15152), (1520, 14205), (1894, 11400), (1900, 11364), (2280, 9470), (2841, 7600), (2850, 7576), (3788, 5700), (3800, 5682), (4560, 4735)]