21857046918

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{9689}}^1\times {\mathrm{7673}}^1$

素因数の和:17381

約数の個数: 48

約数和(自身を含む): 50862965040

約数和(自身を除く): 29005918122

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 7673, 9689, 15346, 19378, 23019, 29067, 46038, 53711, 58134, 67823, 107422, 135646, 161133, 203469, 322266, 375977, 406938, 474761, 751954, 949522, 1127931, 1424283, 2255862, 2848566, 74343697, 148687394, 223031091, 446062182, 520405879, 1040811758, 1561217637, 3122435274, 3642841153, 7285682306, 10928523459, 21857046918]

約数ペア:

[(1, 21857046918), (2, 10928523459), (3, 7285682306), (6, 3642841153), (7, 3122435274), (14, 1561217637), (21, 1040811758), (42, 520405879), (49, 446062182), (98, 223031091), (147, 148687394), (294, 74343697), (7673, 2848566), (9689, 2255862), (15346, 1424283), (19378, 1127931), (23019, 949522), (29067, 751954), (46038, 474761), (53711, 406938), (58134, 375977), (67823, 322266), (107422, 203469), (135646, 161133)]