21147961716

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4936499}}^1$

素因数の和:4936533

約数の個数: 72

約数和(自身を含む): 64687896000

約数和(自身を除く): 43539934284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 4936499, 9872998, 14809497, 19745996, 29618994, 34555493, 44428491, 59237988, 69110986, 83920483, 88856982, 103666479, 138221972, 167840966, 177713964, 207332958, 251761449, 310999437, 335681932, 414665916, 503522898, 587443381, 621998874, 755284347, 1007045796, 1174886762, 1243997748, 1510568694, 1762330143, 2349773524, 3021137388, 3524660286, 5286990429, 7049320572, 10573980858, 21147961716]

約数ペア:

[(1, 21147961716), (2, 10573980858), (3, 7049320572), (4, 5286990429), (6, 3524660286), (7, 3021137388), (9, 2349773524), (12, 1762330143), (14, 1510568694), (17, 1243997748), (18, 1174886762), (21, 1007045796), (28, 755284347), (34, 621998874), (36, 587443381), (42, 503522898), (51, 414665916), (63, 335681932), (68, 310999437), (84, 251761449), (102, 207332958), (119, 177713964), (126, 167840966), (153, 138221972), (204, 103666479), (238, 88856982), (252, 83920483), (306, 69110986), (357, 59237988), (476, 44428491), (612, 34555493), (714, 29618994), (1071, 19745996), (1428, 14809497), (2142, 9872998), (4284, 4936499)]