21340572

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 58490880

約数和(自身を除く): 37150308

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 67, 76, 114, 127, 132, 134, 201, 209, 228, 254, 268, 381, 402, 418, 508, 627, 737, 762, 804, 836, 1254, 1273, 1397, 1474, 1524, 2211, 2413, 2508, 2546, 2794, 2948, 3819, 4191, 4422, 4826, 5092, 5588, 7239, 7638, 8382, 8509, 8844, 9652, 14003, 14478, 15276, 16764, 17018, 25527, 26543, 28006, 28956, 34036, 42009, 51054, 53086, 56012, 79629, 84018, 93599, 102108, 106172, 159258, 161671, 168036, 187198, 280797, 318516, 323342, 374396, 485013, 561594, 646684, 970026, 1123188, 1778381, 1940052, 3556762, 5335143, 7113524, 10670286, 21340572]

約数ペア:

[(1, 21340572), (2, 10670286), (3, 7113524), (4, 5335143), (6, 3556762), (11, 1940052), (12, 1778381), (19, 1123188), (22, 970026), (33, 646684), (38, 561594), (44, 485013), (57, 374396), (66, 323342), (67, 318516), (76, 280797), (114, 187198), (127, 168036), (132, 161671), (134, 159258), (201, 106172), (209, 102108), (228, 93599), (254, 84018), (268, 79629), (381, 56012), (402, 53086), (418, 51054), (508, 42009), (627, 34036), (737, 28956), (762, 28006), (804, 26543), (836, 25527), (1254, 17018), (1273, 16764), (1397, 15276), (1474, 14478), (1524, 14003), (2211, 9652), (2413, 8844), (2508, 8509), (2546, 8382), (2794, 7638), (2948, 7239), (3819, 5588), (4191, 5092), (4422, 4826)]