21401436

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2141}}^1$

素因数の和:2179

約数の個数: 72

約数和(自身を含む): 61535376

約数和(自身を除く): 40133940

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 49, 51, 68, 84, 98, 102, 119, 147, 196, 204, 238, 294, 357, 476, 588, 714, 833, 1428, 1666, 2141, 2499, 3332, 4282, 4998, 6423, 8564, 9996, 12846, 14987, 25692, 29974, 36397, 44961, 59948, 72794, 89922, 104909, 109191, 145588, 179844, 209818, 218382, 254779, 314727, 419636, 436764, 509558, 629454, 764337, 1019116, 1258908, 1528674, 1783453, 3057348, 3566906, 5350359, 7133812, 10700718, 21401436]

約数ペア:

[(1, 21401436), (2, 10700718), (3, 7133812), (4, 5350359), (6, 3566906), (7, 3057348), (12, 1783453), (14, 1528674), (17, 1258908), (21, 1019116), (28, 764337), (34, 629454), (42, 509558), (49, 436764), (51, 419636), (68, 314727), (84, 254779), (98, 218382), (102, 209818), (119, 179844), (147, 145588), (196, 109191), (204, 104909), (238, 89922), (294, 72794), (357, 59948), (476, 44961), (588, 36397), (714, 29974), (833, 25692), (1428, 14987), (1666, 12846), (2141, 9996), (2499, 8564), (3332, 6423), (4282, 4998)]