21672072

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^2\times {\mathrm{569}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 61465950

約数和(自身を除く): 39793878

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 529, 552, 569, 828, 1058, 1138, 1587, 1656, 1707, 2116, 2276, 3174, 3414, 4232, 4552, 4761, 5121, 6348, 6828, 9522, 10242, 12696, 13087, 13656, 19044, 20484, 26174, 38088, 39261, 40968, 52348, 78522, 104696, 117783, 157044, 235566, 301001, 314088, 471132, 602002, 903003, 942264, 1204004, 1806006, 2408008, 2709009, 3612012, 5418018, 7224024, 10836036, 21672072]

約数ペア:

[(1, 21672072), (2, 10836036), (3, 7224024), (4, 5418018), (6, 3612012), (8, 2709009), (9, 2408008), (12, 1806006), (18, 1204004), (23, 942264), (24, 903003), (36, 602002), (46, 471132), (69, 314088), (72, 301001), (92, 235566), (138, 157044), (184, 117783), (207, 104696), (276, 78522), (414, 52348), (529, 40968), (552, 39261), (569, 38088), (828, 26174), (1058, 20484), (1138, 19044), (1587, 13656), (1656, 13087), (1707, 12696), (2116, 10242), (2276, 9522), (3174, 6828), (3414, 6348), (4232, 5121), (4552, 4761)]