21980796

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 58786560

約数和(自身を除く): 36805764

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 53, 57, 68, 76, 102, 106, 107, 114, 159, 204, 212, 214, 228, 318, 321, 323, 428, 636, 642, 646, 901, 969, 1007, 1284, 1292, 1802, 1819, 1938, 2014, 2033, 2703, 3021, 3604, 3638, 3876, 4028, 4066, 5406, 5457, 5671, 6042, 6099, 7276, 8132, 10812, 10914, 11342, 12084, 12198, 17013, 17119, 21828, 22684, 24396, 34026, 34238, 34561, 51357, 68052, 68476, 69122, 96407, 102714, 103683, 107749, 138244, 192814, 205428, 207366, 215498, 289221, 323247, 385628, 414732, 430996, 578442, 646494, 1156884, 1292988, 1831733, 3663466, 5495199, 7326932, 10990398, 21980796]

約数ペア:

[(1, 21980796), (2, 10990398), (3, 7326932), (4, 5495199), (6, 3663466), (12, 1831733), (17, 1292988), (19, 1156884), (34, 646494), (38, 578442), (51, 430996), (53, 414732), (57, 385628), (68, 323247), (76, 289221), (102, 215498), (106, 207366), (107, 205428), (114, 192814), (159, 138244), (204, 107749), (212, 103683), (214, 102714), (228, 96407), (318, 69122), (321, 68476), (323, 68052), (428, 51357), (636, 34561), (642, 34238), (646, 34026), (901, 24396), (969, 22684), (1007, 21828), (1284, 17119), (1292, 17013), (1802, 12198), (1819, 12084), (1938, 11342), (2014, 10914), (2033, 10812), (2703, 8132), (3021, 7276), (3604, 6099), (3638, 6042), (3876, 5671), (4028, 5457), (4066, 5406)]