21154800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{61}}^1$

素因数の和:116

約数の個数: 180

約数和(自身を含む): 73166696

約数和(自身を除く): 52011896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 34, 40, 48, 50, 51, 60, 61, 68, 75, 80, 85, 100, 102, 120, 122, 136, 150, 170, 183, 200, 204, 240, 244, 255, 272, 289, 300, 305, 340, 366, 400, 408, 425, 488, 510, 578, 600, 610, 680, 732, 816, 850, 867, 915, 976, 1020, 1037, 1156, 1200, 1220, 1275, 1360, 1445, 1464, 1525, 1700, 1734, 1830, 2040, 2074, 2312, 2440, 2550, 2890, 2928, 3050, 3111, 3400, 3468, 3660, 4080, 4148, 4335, 4575, 4624, 4880, 5100, 5185, 5780, 6100, 6222, 6800, 6936, 7225, 7320, 8296, 8670, 9150, 10200, 10370, 11560, 12200, 12444, 13872, 14450, 14640, 15555, 16592, 17340, 17629, 18300, 20400, 20740, 21675, 23120, 24400, 24888, 25925, 28900, 31110, 34680, 35258, 36600, 41480, 43350, 49776, 51850, 52887, 57800, 62220, 69360, 70516, 73200, 77775, 82960, 86700, 88145, 103700, 105774, 115600, 124440, 141032, 155550, 173400, 176290, 207400, 211548, 248880, 264435, 282064, 311100, 346800, 352580, 414800, 423096, 440725, 528870, 622200, 705160, 846192, 881450, 1057740, 1244400, 1322175, 1410320, 1762900, 2115480, 2644350, 3525800, 4230960, 5288700, 7051600, 10577400, 21154800]

約数ペア:

[(1, 21154800), (2, 10577400), (3, 7051600), (4, 5288700), (5, 4230960), (6, 3525800), (8, 2644350), (10, 2115480), (12, 1762900), (15, 1410320), (16, 1322175), (17, 1244400), (20, 1057740), (24, 881450), (25, 846192), (30, 705160), (34, 622200), (40, 528870), (48, 440725), (50, 423096), (51, 414800), (60, 352580), (61, 346800), (68, 311100), (75, 282064), (80, 264435), (85, 248880), (100, 211548), (102, 207400), (120, 176290), (122, 173400), (136, 155550), (150, 141032), (170, 124440), (183, 115600), (200, 105774), (204, 103700), (240, 88145), (244, 86700), (255, 82960), (272, 77775), (289, 73200), (300, 70516), (305, 69360), (340, 62220), (366, 57800), (400, 52887), (408, 51850), (425, 49776), (488, 43350), (510, 41480), (578, 36600), (600, 35258), (610, 34680), (680, 31110), (732, 28900), (816, 25925), (850, 24888), (867, 24400), (915, 23120), (976, 21675), (1020, 20740), (1037, 20400), (1156, 18300), (1200, 17629), (1220, 17340), (1275, 16592), (1360, 15555), (1445, 14640), (1464, 14450), (1525, 13872), (1700, 12444), (1734, 12200), (1830, 11560), (2040, 10370), (2074, 10200), (2312, 9150), (2440, 8670), (2550, 8296), (2890, 7320), (2928, 7225), (3050, 6936), (3111, 6800), (3400, 6222), (3468, 6100), (3660, 5780), (4080, 5185), (4148, 5100), (4335, 4880), (4575, 4624)]