21445704

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2503}}^1$

素因数の和:2539

約数の個数: 96

約数和(自身を含む): 70312320

約数和(自身を除く): 48866616

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 34, 36, 42, 51, 56, 63, 68, 72, 84, 102, 119, 126, 136, 153, 168, 204, 238, 252, 306, 357, 408, 476, 504, 612, 714, 952, 1071, 1224, 1428, 2142, 2503, 2856, 4284, 5006, 7509, 8568, 10012, 15018, 17521, 20024, 22527, 30036, 35042, 42551, 45054, 52563, 60072, 70084, 85102, 90108, 105126, 127653, 140168, 157689, 170204, 180216, 210252, 255306, 297857, 315378, 340408, 382959, 420504, 510612, 595714, 630756, 765918, 893571, 1021224, 1191428, 1261512, 1531836, 1787142, 2382856, 2680713, 3063672, 3574284, 5361426, 7148568, 10722852, 21445704]

約数ペア:

[(1, 21445704), (2, 10722852), (3, 7148568), (4, 5361426), (6, 3574284), (7, 3063672), (8, 2680713), (9, 2382856), (12, 1787142), (14, 1531836), (17, 1261512), (18, 1191428), (21, 1021224), (24, 893571), (28, 765918), (34, 630756), (36, 595714), (42, 510612), (51, 420504), (56, 382959), (63, 340408), (68, 315378), (72, 297857), (84, 255306), (102, 210252), (119, 180216), (126, 170204), (136, 157689), (153, 140168), (168, 127653), (204, 105126), (238, 90108), (252, 85102), (306, 70084), (357, 60072), (408, 52563), (476, 45054), (504, 42551), (612, 35042), (714, 30036), (952, 22527), (1071, 20024), (1224, 17521), (1428, 15018), (2142, 10012), (2503, 8568), (2856, 7509), (4284, 5006)]