21618030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{911}}^1$

素因数の和:1041

約数の個数: 64

約数和(自身を含む): 59885568

約数和(自身を除く): 38267538

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 113, 210, 226, 339, 565, 678, 791, 911, 1130, 1582, 1695, 1822, 2373, 2733, 3390, 3955, 4555, 4746, 5466, 6377, 7910, 9110, 11865, 12754, 13665, 19131, 23730, 27330, 31885, 38262, 63770, 95655, 102943, 191310, 205886, 308829, 514715, 617658, 720601, 1029430, 1441202, 1544145, 2161803, 3088290, 3603005, 4323606, 7206010, 10809015, 21618030]

約数ペア:

[(1, 21618030), (2, 10809015), (3, 7206010), (5, 4323606), (6, 3603005), (7, 3088290), (10, 2161803), (14, 1544145), (15, 1441202), (21, 1029430), (30, 720601), (35, 617658), (42, 514715), (70, 308829), (105, 205886), (113, 191310), (210, 102943), (226, 95655), (339, 63770), (565, 38262), (678, 31885), (791, 27330), (911, 23730), (1130, 19131), (1582, 13665), (1695, 12754), (1822, 11865), (2373, 9110), (2733, 7910), (3390, 6377), (3955, 5466), (4555, 4746)]