21771492

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 58423680

約数和(自身を除く): 36652188

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 41, 51, 57, 68, 76, 82, 102, 114, 123, 137, 164, 204, 228, 246, 274, 323, 411, 492, 548, 646, 697, 779, 822, 969, 1292, 1394, 1558, 1644, 1938, 2091, 2329, 2337, 2603, 2788, 3116, 3876, 4182, 4658, 4674, 5206, 5617, 6987, 7809, 8364, 9316, 9348, 10412, 11234, 13243, 13974, 15618, 16851, 22468, 26486, 27948, 31236, 33702, 39729, 44251, 52972, 67404, 79458, 88502, 95489, 106723, 132753, 158916, 177004, 190978, 213446, 265506, 286467, 320169, 381956, 426892, 531012, 572934, 640338, 1145868, 1280676, 1814291, 3628582, 5442873, 7257164, 10885746, 21771492]

約数ペア:

[(1, 21771492), (2, 10885746), (3, 7257164), (4, 5442873), (6, 3628582), (12, 1814291), (17, 1280676), (19, 1145868), (34, 640338), (38, 572934), (41, 531012), (51, 426892), (57, 381956), (68, 320169), (76, 286467), (82, 265506), (102, 213446), (114, 190978), (123, 177004), (137, 158916), (164, 132753), (204, 106723), (228, 95489), (246, 88502), (274, 79458), (323, 67404), (411, 52972), (492, 44251), (548, 39729), (646, 33702), (697, 31236), (779, 27948), (822, 26486), (969, 22468), (1292, 16851), (1394, 15618), (1558, 13974), (1644, 13243), (1938, 11234), (2091, 10412), (2329, 9348), (2337, 9316), (2603, 8364), (2788, 7809), (3116, 6987), (3876, 5617), (4182, 5206), (4658, 4674)]