21415284

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1319}}^1$

素因数の和:1381

約数の個数: 72

約数和(自身を含む): 60540480

約数和(自身を除く): 39125196

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 41, 44, 66, 82, 99, 123, 132, 164, 198, 246, 369, 396, 451, 492, 738, 902, 1319, 1353, 1476, 1804, 2638, 2706, 3957, 4059, 5276, 5412, 7914, 8118, 11871, 14509, 15828, 16236, 23742, 29018, 43527, 47484, 54079, 58036, 87054, 108158, 130581, 162237, 174108, 216316, 261162, 324474, 486711, 522324, 594869, 648948, 973422, 1189738, 1784607, 1946844, 2379476, 3569214, 5353821, 7138428, 10707642, 21415284]

約数ペア:

[(1, 21415284), (2, 10707642), (3, 7138428), (4, 5353821), (6, 3569214), (9, 2379476), (11, 1946844), (12, 1784607), (18, 1189738), (22, 973422), (33, 648948), (36, 594869), (41, 522324), (44, 486711), (66, 324474), (82, 261162), (99, 216316), (123, 174108), (132, 162237), (164, 130581), (198, 108158), (246, 87054), (369, 58036), (396, 54079), (451, 47484), (492, 43527), (738, 29018), (902, 23742), (1319, 16236), (1353, 15828), (1476, 14509), (1804, 11871), (2638, 8118), (2706, 7914), (3957, 5412), (4059, 5276)]