21537300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 68245632

約数和(自身を除く): 46708332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 41, 50, 51, 60, 68, 75, 82, 85, 100, 102, 103, 123, 150, 164, 170, 204, 205, 206, 246, 255, 300, 309, 340, 410, 412, 425, 492, 510, 515, 615, 618, 697, 820, 850, 1020, 1025, 1030, 1230, 1236, 1275, 1394, 1545, 1700, 1751, 2050, 2060, 2091, 2460, 2550, 2575, 2788, 3075, 3090, 3485, 3502, 4100, 4182, 4223, 5100, 5150, 5253, 6150, 6180, 6970, 7004, 7725, 8364, 8446, 8755, 10300, 10455, 10506, 12300, 12669, 13940, 15450, 16892, 17425, 17510, 20910, 21012, 21115, 25338, 26265, 30900, 34850, 35020, 41820, 42230, 43775, 50676, 52275, 52530, 63345, 69700, 71791, 84460, 87550, 104550, 105060, 105575, 126690, 131325, 143582, 175100, 209100, 211150, 215373, 253380, 262650, 287164, 316725, 358955, 422300, 430746, 525300, 633450, 717910, 861492, 1076865, 1266900, 1435820, 1794775, 2153730, 3589550, 4307460, 5384325, 7179100, 10768650, 21537300]

約数ペア:

[(1, 21537300), (2, 10768650), (3, 7179100), (4, 5384325), (5, 4307460), (6, 3589550), (10, 2153730), (12, 1794775), (15, 1435820), (17, 1266900), (20, 1076865), (25, 861492), (30, 717910), (34, 633450), (41, 525300), (50, 430746), (51, 422300), (60, 358955), (68, 316725), (75, 287164), (82, 262650), (85, 253380), (100, 215373), (102, 211150), (103, 209100), (123, 175100), (150, 143582), (164, 131325), (170, 126690), (204, 105575), (205, 105060), (206, 104550), (246, 87550), (255, 84460), (300, 71791), (309, 69700), (340, 63345), (410, 52530), (412, 52275), (425, 50676), (492, 43775), (510, 42230), (515, 41820), (615, 35020), (618, 34850), (697, 30900), (820, 26265), (850, 25338), (1020, 21115), (1025, 21012), (1030, 20910), (1230, 17510), (1236, 17425), (1275, 16892), (1394, 15450), (1545, 13940), (1700, 12669), (1751, 12300), (2050, 10506), (2060, 10455), (2091, 10300), (2460, 8755), (2550, 8446), (2575, 8364), (2788, 7725), (3075, 7004), (3090, 6970), (3485, 6180), (3502, 6150), (4100, 5253), (4182, 5150), (4223, 5100)]