21000886284

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2100929}}^1$

素因数の和:2100967

約数の個数: 72

約数和(自身を含む): 60355517040

約数和(自身を除く): 39354630756

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, 2499, 3332, 4998, 9996, 2100929, 4201858, 6302787, 8403716, 12605574, 14706503, 25211148, 29413006, 35715793, 44119509, 58826012, 71431586, 88239018, 102945521, 107147379, 142863172, 176478036, 205891042, 214294758, 250010551, 308836563, 411782084, 428589516, 500021102, 617673126, 750031653, 1000042204, 1235346252, 1500063306, 1750073857, 3000126612, 3500147714, 5250221571, 7000295428, 10500443142, 21000886284]

約数ペア:

[(1, 21000886284), (2, 10500443142), (3, 7000295428), (4, 5250221571), (6, 3500147714), (7, 3000126612), (12, 1750073857), (14, 1500063306), (17, 1235346252), (21, 1000042204), (28, 750031653), (34, 617673126), (42, 500021102), (49, 428589516), (51, 411782084), (68, 308836563), (84, 250010551), (98, 214294758), (102, 205891042), (119, 176478036), (147, 142863172), (196, 107147379), (204, 102945521), (238, 88239018), (294, 71431586), (357, 58826012), (476, 44119509), (588, 35715793), (714, 29413006), (833, 25211148), (1428, 14706503), (1666, 12605574), (2499, 8403716), (3332, 6302787), (4998, 4201858), (9996, 2100929)]