21000213296

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{158077}}^1$

素因数の和:158146

約数の個数: 60

約数和(自身を含む): 44809422192

約数和(自身を除く): 23809208896

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 361, 368, 437, 722, 874, 1444, 1748, 2888, 3496, 5776, 6992, 8303, 16606, 33212, 66424, 132848, 158077, 316154, 632308, 1264616, 2529232, 3003463, 3635771, 6006926, 7271542, 12013852, 14543084, 24027704, 29086168, 48055408, 57065797, 58172336, 69079649, 114131594, 138159298, 228263188, 276318596, 456526376, 552637192, 913052752, 1105274384, 1312513331, 2625026662, 5250053324, 10500106648, 21000213296]

約数ペア:

[(1, 21000213296), (2, 10500106648), (4, 5250053324), (8, 2625026662), (16, 1312513331), (19, 1105274384), (23, 913052752), (38, 552637192), (46, 456526376), (76, 276318596), (92, 228263188), (152, 138159298), (184, 114131594), (304, 69079649), (361, 58172336), (368, 57065797), (437, 48055408), (722, 29086168), (874, 24027704), (1444, 14543084), (1748, 12013852), (2888, 7271542), (3496, 6006926), (5776, 3635771), (6992, 3003463), (8303, 2529232), (16606, 1264616), (33212, 632308), (66424, 316154), (132848, 158077)]