21489778548

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{761}}^1\times {\mathrm{12451}}^1$

素因数の和:13235

約数の個数: 120

約数和(自身を含む): 64293561024

約数和(自身を除く): 42803782476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 761, 1134, 1522, 2268, 2283, 3044, 4566, 5327, 6849, 9132, 10654, 12451, 13698, 15981, 20547, 21308, 24902, 27396, 31962, 37353, 41094, 47943, 49804, 61641, 63924, 74706, 82188, 87157, 95886, 112059, 123282, 143829, 149412, 174314, 191772, 224118, 246564, 261471, 287658, 336177, 348628, 431487, 448236, 522942, 575316, 672354, 784413, 862974, 1008531, 1045884, 1344708, 1568826, 1725948, 2017062, 2353239, 3137652, 4034124, 4706478, 7059717, 9412956, 9475211, 14119434, 18950422, 28238868, 28425633, 37900844, 56851266, 66326477, 85276899, 113702532, 132652954, 170553798, 198979431, 255830697, 265305908, 341107596, 397958862, 511661394, 596938293, 767492091, 795917724, 1023322788, 1193876586, 1534984182, 1790814879, 2387753172, 3069968364, 3581629758, 5372444637, 7163259516, 10744889274, 21489778548]

約数ペア:

[(1, 21489778548), (2, 10744889274), (3, 7163259516), (4, 5372444637), (6, 3581629758), (7, 3069968364), (9, 2387753172), (12, 1790814879), (14, 1534984182), (18, 1193876586), (21, 1023322788), (27, 795917724), (28, 767492091), (36, 596938293), (42, 511661394), (54, 397958862), (63, 341107596), (81, 265305908), (84, 255830697), (108, 198979431), (126, 170553798), (162, 132652954), (189, 113702532), (252, 85276899), (324, 66326477), (378, 56851266), (567, 37900844), (756, 28425633), (761, 28238868), (1134, 18950422), (1522, 14119434), (2268, 9475211), (2283, 9412956), (3044, 7059717), (4566, 4706478), (5327, 4034124), (6849, 3137652), (9132, 2353239), (10654, 2017062), (12451, 1725948), (13698, 1568826), (15981, 1344708), (20547, 1045884), (21308, 1008531), (24902, 862974), (27396, 784413), (31962, 672354), (37353, 575316), (41094, 522942), (47943, 448236), (49804, 431487), (61641, 348628), (63924, 336177), (74706, 287658), (82188, 261471), (87157, 246564), (95886, 224118), (112059, 191772), (123282, 174314), (143829, 149412)]