21607000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:110

約数の個数: 128

約数和(自身を含む): 56609280

約数和(自身を除く): 35002280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 31, 34, 40, 41, 50, 62, 68, 82, 85, 100, 124, 125, 136, 155, 164, 170, 200, 205, 248, 250, 310, 328, 340, 410, 425, 500, 527, 620, 680, 697, 775, 820, 850, 1000, 1025, 1054, 1240, 1271, 1394, 1550, 1640, 1700, 2050, 2108, 2125, 2542, 2635, 2788, 3100, 3400, 3485, 3875, 4100, 4216, 4250, 5084, 5125, 5270, 5576, 6200, 6355, 6970, 7750, 8200, 8500, 10168, 10250, 10540, 12710, 13175, 13940, 15500, 17000, 17425, 20500, 21080, 21607, 25420, 26350, 27880, 31000, 31775, 34850, 41000, 43214, 50840, 52700, 63550, 65875, 69700, 86428, 87125, 105400, 108035, 127100, 131750, 139400, 158875, 172856, 174250, 216070, 254200, 263500, 317750, 348500, 432140, 527000, 540175, 635500, 697000, 864280, 1080350, 1271000, 2160700, 2700875, 4321400, 5401750, 10803500, 21607000]

約数ペア:

[(1, 21607000), (2, 10803500), (4, 5401750), (5, 4321400), (8, 2700875), (10, 2160700), (17, 1271000), (20, 1080350), (25, 864280), (31, 697000), (34, 635500), (40, 540175), (41, 527000), (50, 432140), (62, 348500), (68, 317750), (82, 263500), (85, 254200), (100, 216070), (124, 174250), (125, 172856), (136, 158875), (155, 139400), (164, 131750), (170, 127100), (200, 108035), (205, 105400), (248, 87125), (250, 86428), (310, 69700), (328, 65875), (340, 63550), (410, 52700), (425, 50840), (500, 43214), (527, 41000), (620, 34850), (680, 31775), (697, 31000), (775, 27880), (820, 26350), (850, 25420), (1000, 21607), (1025, 21080), (1054, 20500), (1240, 17425), (1271, 17000), (1394, 15500), (1550, 13940), (1640, 13175), (1700, 12710), (2050, 10540), (2108, 10250), (2125, 10168), (2542, 8500), (2635, 8200), (2788, 7750), (3100, 6970), (3400, 6355), (3485, 6200), (3875, 5576), (4100, 5270), (4216, 5125), (4250, 5084)]