21000228246

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{79}}^1\times {\mathrm{27917}}^1$

素因数の和:28050

約数の個数: 72

約数和(自身を含む): 48168600480

約数和(自身を除く): 27168372234

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 79, 138, 158, 207, 237, 414, 474, 529, 711, 1058, 1422, 1587, 1817, 3174, 3634, 4761, 5451, 9522, 10902, 16353, 27917, 32706, 41791, 55834, 83582, 83751, 125373, 167502, 250746, 251253, 376119, 502506, 642091, 752238, 1284182, 1926273, 2205443, 3852546, 4410886, 5778819, 6616329, 11557638, 13232658, 14768093, 19848987, 29536186, 39697974, 44304279, 50725189, 88608558, 101450378, 132912837, 152175567, 265825674, 304351134, 456526701, 913053402, 1166679347, 2333358694, 3500038041, 7000076082, 10500114123, 21000228246]

約数ペア:

[(1, 21000228246), (2, 10500114123), (3, 7000076082), (6, 3500038041), (9, 2333358694), (18, 1166679347), (23, 913053402), (46, 456526701), (69, 304351134), (79, 265825674), (138, 152175567), (158, 132912837), (207, 101450378), (237, 88608558), (414, 50725189), (474, 44304279), (529, 39697974), (711, 29536186), (1058, 19848987), (1422, 14768093), (1587, 13232658), (1817, 11557638), (3174, 6616329), (3634, 5778819), (4761, 4410886), (5451, 3852546), (9522, 2205443), (10902, 1926273), (16353, 1284182), (27917, 752238), (32706, 642091), (41791, 502506), (55834, 376119), (83582, 251253), (83751, 250746), (125373, 167502)]