2161210363796

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{434411}}^1$

素因数の和:434997

約数の個数: 72

約数和(自身を含む): 4384103280480

約数和(自身を除く): 2222892916684

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 541, 836, 1082, 2164, 2299, 4598, 5951, 9196, 10279, 11902, 20558, 23804, 41116, 65461, 113069, 130922, 226138, 261844, 434411, 452276, 868822, 1243759, 1737644, 2487518, 4778521, 4975036, 8253809, 9557042, 16507618, 19114084, 33015236, 52563731, 90791899, 105127462, 181583798, 210254924, 235016351, 363167596, 470032702, 940065404, 998710889, 1997421778, 2585179861, 3994843556, 4465310669, 5170359722, 8930621338, 10340719444, 17861242676, 28436978471, 49118417359, 56873956942, 98236834718, 113747913884, 196473669436, 540302590949, 1080605181898, 2161210363796]

約数ペア:

[(1, 2161210363796), (2, 1080605181898), (4, 540302590949), (11, 196473669436), (19, 113747913884), (22, 98236834718), (38, 56873956942), (44, 49118417359), (76, 28436978471), (121, 17861242676), (209, 10340719444), (242, 8930621338), (418, 5170359722), (484, 4465310669), (541, 3994843556), (836, 2585179861), (1082, 1997421778), (2164, 998710889), (2299, 940065404), (4598, 470032702), (5951, 363167596), (9196, 235016351), (10279, 210254924), (11902, 181583798), (20558, 105127462), (23804, 90791899), (41116, 52563731), (65461, 33015236), (113069, 19114084), (130922, 16507618), (226138, 9557042), (261844, 8253809), (434411, 4975036), (452276, 4778521), (868822, 2487518), (1243759, 1737644)]