21291240068

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3209}}^1\times {\mathrm{8171}}^1$

素因数の和:11420

約数の個数: 48

約数和(自身を含む): 44069961600

約数和(自身を除く): 22778721532

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 3209, 6418, 8171, 12836, 16342, 22463, 32684, 44926, 57197, 89852, 93061, 114394, 186122, 228788, 236959, 372244, 473918, 651427, 947836, 1302854, 1658713, 2605708, 3317426, 6634852, 26220739, 52441478, 104882956, 183545173, 367090346, 734180692, 760401431, 1520802862, 3041605724, 5322810017, 10645620034, 21291240068]

約数ペア:

[(1, 21291240068), (2, 10645620034), (4, 5322810017), (7, 3041605724), (14, 1520802862), (28, 760401431), (29, 734180692), (58, 367090346), (116, 183545173), (203, 104882956), (406, 52441478), (812, 26220739), (3209, 6634852), (6418, 3317426), (8171, 2605708), (12836, 1658713), (16342, 1302854), (22463, 947836), (32684, 651427), (44926, 473918), (57197, 372244), (89852, 236959), (93061, 228788), (114394, 186122)]