21000474612

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{879859}}^1$

素因数の和:879902

約数の個数: 96

約数和(自身を含む): 62082921600

約数和(自身を除く): 41082446988

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 68, 78, 102, 108, 117, 153, 156, 204, 221, 234, 306, 351, 442, 459, 468, 612, 663, 702, 884, 918, 1326, 1404, 1836, 1989, 2652, 3978, 5967, 7956, 11934, 23868, 879859, 1759718, 2639577, 3519436, 5279154, 7918731, 10558308, 11438167, 14957603, 15837462, 22876334, 23756193, 29915206, 31674924, 34314501, 44872809, 45752668, 47512386, 59830412, 68629002, 89745618, 95024772, 102943503, 134618427, 137258004, 179491236, 194448839, 205887006, 269236854, 308830509, 388897678, 403855281, 411774012, 538473708, 583346517, 617661018, 777795356, 807710562, 1166693034, 1235322036, 1615421124, 1750039551, 2333386068, 3500079102, 5250118653, 7000158204, 10500237306, 21000474612]

約数ペア:

[(1, 21000474612), (2, 10500237306), (3, 7000158204), (4, 5250118653), (6, 3500079102), (9, 2333386068), (12, 1750039551), (13, 1615421124), (17, 1235322036), (18, 1166693034), (26, 807710562), (27, 777795356), (34, 617661018), (36, 583346517), (39, 538473708), (51, 411774012), (52, 403855281), (54, 388897678), (68, 308830509), (78, 269236854), (102, 205887006), (108, 194448839), (117, 179491236), (153, 137258004), (156, 134618427), (204, 102943503), (221, 95024772), (234, 89745618), (306, 68629002), (351, 59830412), (442, 47512386), (459, 45752668), (468, 44872809), (612, 34314501), (663, 31674924), (702, 29915206), (884, 23756193), (918, 22876334), (1326, 15837462), (1404, 14957603), (1836, 11438167), (1989, 10558308), (2652, 7918731), (3978, 5279154), (5967, 3519436), (7956, 2639577), (11934, 1759718), (23868, 879859)]