21276504

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 61651200

約数和(自身を除く): 40374696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 103, 114, 151, 152, 171, 206, 228, 302, 309, 342, 412, 453, 456, 604, 618, 684, 824, 906, 927, 1208, 1236, 1359, 1368, 1812, 1854, 1957, 2472, 2718, 2869, 3624, 3708, 3914, 5436, 5738, 5871, 7416, 7828, 8607, 10872, 11476, 11742, 15553, 15656, 17214, 17613, 22952, 23484, 25821, 31106, 34428, 35226, 46659, 46968, 51642, 62212, 68856, 70452, 93318, 103284, 124424, 139977, 140904, 186636, 206568, 279954, 295507, 373272, 559908, 591014, 886521, 1119816, 1182028, 1773042, 2364056, 2659563, 3546084, 5319126, 7092168, 10638252, 21276504]

約数ペア:

[(1, 21276504), (2, 10638252), (3, 7092168), (4, 5319126), (6, 3546084), (8, 2659563), (9, 2364056), (12, 1773042), (18, 1182028), (19, 1119816), (24, 886521), (36, 591014), (38, 559908), (57, 373272), (72, 295507), (76, 279954), (103, 206568), (114, 186636), (151, 140904), (152, 139977), (171, 124424), (206, 103284), (228, 93318), (302, 70452), (309, 68856), (342, 62212), (412, 51642), (453, 46968), (456, 46659), (604, 35226), (618, 34428), (684, 31106), (824, 25821), (906, 23484), (927, 22952), (1208, 17613), (1236, 17214), (1359, 15656), (1368, 15553), (1812, 11742), (1854, 11476), (1957, 10872), (2472, 8607), (2718, 7828), (2869, 7416), (3624, 5871), (3708, 5738), (3914, 5436)]