21825860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 55738368

約数和(自身を除く): 33912508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 47, 62, 70, 94, 107, 124, 140, 155, 188, 214, 217, 235, 310, 329, 428, 434, 470, 535, 620, 658, 749, 868, 940, 1070, 1085, 1316, 1457, 1498, 1645, 2140, 2170, 2914, 2996, 3290, 3317, 3745, 4340, 5029, 5828, 6580, 6634, 7285, 7490, 10058, 10199, 13268, 14570, 14980, 16585, 20116, 20398, 23219, 25145, 29140, 33170, 35203, 40796, 46438, 50290, 50995, 66340, 70406, 92876, 100580, 101990, 116095, 140812, 155899, 176015, 203980, 232190, 311798, 352030, 464380, 623596, 704060, 779495, 1091293, 1558990, 2182586, 3117980, 4365172, 5456465, 10912930, 21825860]

約数ペア:

[(1, 21825860), (2, 10912930), (4, 5456465), (5, 4365172), (7, 3117980), (10, 2182586), (14, 1558990), (20, 1091293), (28, 779495), (31, 704060), (35, 623596), (47, 464380), (62, 352030), (70, 311798), (94, 232190), (107, 203980), (124, 176015), (140, 155899), (155, 140812), (188, 116095), (214, 101990), (217, 100580), (235, 92876), (310, 70406), (329, 66340), (428, 50995), (434, 50290), (470, 46438), (535, 40796), (620, 35203), (658, 33170), (749, 29140), (868, 25145), (940, 23219), (1070, 20398), (1085, 20116), (1316, 16585), (1457, 14980), (1498, 14570), (1645, 13268), (2140, 10199), (2170, 10058), (2914, 7490), (2996, 7285), (3290, 6634), (3317, 6580), (3745, 5828), (4340, 5029)]