21752520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10663}}^1$

素因数の和:10694

約数の個数: 64

約数和(自身を含む): 69102720

約数和(自身を除く): 47350200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10663, 21326, 31989, 42652, 53315, 63978, 85304, 106630, 127956, 159945, 181271, 213260, 255912, 319890, 362542, 426520, 543813, 639780, 725084, 906355, 1087626, 1279560, 1450168, 1812710, 2175252, 2719065, 3625420, 4350504, 5438130, 7250840, 10876260, 21752520]

約数ペア:

[(1, 21752520), (2, 10876260), (3, 7250840), (4, 5438130), (5, 4350504), (6, 3625420), (8, 2719065), (10, 2175252), (12, 1812710), (15, 1450168), (17, 1279560), (20, 1087626), (24, 906355), (30, 725084), (34, 639780), (40, 543813), (51, 426520), (60, 362542), (68, 319890), (85, 255912), (102, 213260), (120, 181271), (136, 159945), (170, 127956), (204, 106630), (255, 85304), (340, 63978), (408, 53315), (510, 42652), (680, 31989), (1020, 21326), (2040, 10663)]