21272400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:354

約数の個数: 180

約数和(自身を含む): 77956320

約数和(自身を除く): 56683920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 48, 50, 57, 60, 72, 75, 76, 80, 90, 95, 100, 114, 120, 144, 150, 152, 171, 180, 190, 200, 225, 228, 240, 285, 300, 304, 311, 342, 360, 380, 400, 450, 456, 475, 570, 600, 622, 684, 720, 760, 855, 900, 912, 933, 950, 1140, 1200, 1244, 1368, 1425, 1520, 1555, 1710, 1800, 1866, 1900, 2280, 2488, 2736, 2799, 2850, 3110, 3420, 3600, 3732, 3800, 4275, 4560, 4665, 4976, 5598, 5700, 5909, 6220, 6840, 7464, 7600, 7775, 8550, 9330, 11196, 11400, 11818, 12440, 13680, 13995, 14928, 15550, 17100, 17727, 18660, 22392, 22800, 23325, 23636, 24880, 27990, 29545, 31100, 34200, 35454, 37320, 44784, 46650, 47272, 53181, 55980, 59090, 62200, 68400, 69975, 70908, 74640, 88635, 93300, 94544, 106362, 111960, 118180, 124400, 139950, 141816, 147725, 177270, 186600, 212724, 223920, 236360, 265905, 279900, 283632, 295450, 354540, 373200, 425448, 443175, 472720, 531810, 559800, 590900, 709080, 850896, 886350, 1063620, 1119600, 1181800, 1329525, 1418160, 1772700, 2127240, 2363600, 2659050, 3545400, 4254480, 5318100, 7090800, 10636200, 21272400]

約数ペア:

[(1, 21272400), (2, 10636200), (3, 7090800), (4, 5318100), (5, 4254480), (6, 3545400), (8, 2659050), (9, 2363600), (10, 2127240), (12, 1772700), (15, 1418160), (16, 1329525), (18, 1181800), (19, 1119600), (20, 1063620), (24, 886350), (25, 850896), (30, 709080), (36, 590900), (38, 559800), (40, 531810), (45, 472720), (48, 443175), (50, 425448), (57, 373200), (60, 354540), (72, 295450), (75, 283632), (76, 279900), (80, 265905), (90, 236360), (95, 223920), (100, 212724), (114, 186600), (120, 177270), (144, 147725), (150, 141816), (152, 139950), (171, 124400), (180, 118180), (190, 111960), (200, 106362), (225, 94544), (228, 93300), (240, 88635), (285, 74640), (300, 70908), (304, 69975), (311, 68400), (342, 62200), (360, 59090), (380, 55980), (400, 53181), (450, 47272), (456, 46650), (475, 44784), (570, 37320), (600, 35454), (622, 34200), (684, 31100), (720, 29545), (760, 27990), (855, 24880), (900, 23636), (912, 23325), (933, 22800), (950, 22392), (1140, 18660), (1200, 17727), (1244, 17100), (1368, 15550), (1425, 14928), (1520, 13995), (1555, 13680), (1710, 12440), (1800, 11818), (1866, 11400), (1900, 11196), (2280, 9330), (2488, 8550), (2736, 7775), (2799, 7600), (2850, 7464), (3110, 6840), (3420, 6220), (3600, 5909), (3732, 5700), (3800, 5598), (4275, 4976), (4560, 4665)]