21399600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1049}}^1$

素因数の和:1087

約数の個数: 120

約数和(自身を含む): 72651600

約数和(自身を除く): 51252000

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, 68, 75, 80, 85, 100, 102, 120, 136, 150, 170, 200, 204, 240, 255, 272, 300, 340, 400, 408, 425, 510, 600, 680, 816, 850, 1020, 1049, 1200, 1275, 1360, 1700, 2040, 2098, 2550, 3147, 3400, 4080, 4196, 5100, 5245, 6294, 6800, 8392, 10200, 10490, 12588, 15735, 16784, 17833, 20400, 20980, 25176, 26225, 31470, 35666, 41960, 50352, 52450, 53499, 62940, 71332, 78675, 83920, 89165, 104900, 106998, 125880, 142664, 157350, 178330, 209800, 213996, 251760, 267495, 285328, 314700, 356660, 419600, 427992, 445825, 534990, 629400, 713320, 855984, 891650, 1069980, 1258800, 1337475, 1426640, 1783300, 2139960, 2674950, 3566600, 4279920, 5349900, 7133200, 10699800, 21399600]

約数ペア:

[(1, 21399600), (2, 10699800), (3, 7133200), (4, 5349900), (5, 4279920), (6, 3566600), (8, 2674950), (10, 2139960), (12, 1783300), (15, 1426640), (16, 1337475), (17, 1258800), (20, 1069980), (24, 891650), (25, 855984), (30, 713320), (34, 629400), (40, 534990), (48, 445825), (50, 427992), (51, 419600), (60, 356660), (68, 314700), (75, 285328), (80, 267495), (85, 251760), (100, 213996), (102, 209800), (120, 178330), (136, 157350), (150, 142664), (170, 125880), (200, 106998), (204, 104900), (240, 89165), (255, 83920), (272, 78675), (300, 71332), (340, 62940), (400, 53499), (408, 52450), (425, 50352), (510, 41960), (600, 35666), (680, 31470), (816, 26225), (850, 25176), (1020, 20980), (1049, 20400), (1200, 17833), (1275, 16784), (1360, 15735), (1700, 12588), (2040, 10490), (2098, 10200), (2550, 8392), (3147, 6800), (3400, 6294), (4080, 5245), (4196, 5100)]