21776480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12373}}^1$

素因数の和:12399

約数の個数: 48

約数和(自身を含む): 56128464

約数和(自身を除く): 34351984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 12373, 24746, 49492, 61865, 98984, 123730, 136103, 197968, 247460, 272206, 395936, 494920, 544412, 680515, 989840, 1088824, 1361030, 1979680, 2177648, 2722060, 4355296, 5444120, 10888240, 21776480]

約数ペア:

[(1, 21776480), (2, 10888240), (4, 5444120), (5, 4355296), (8, 2722060), (10, 2177648), (11, 1979680), (16, 1361030), (20, 1088824), (22, 989840), (32, 680515), (40, 544412), (44, 494920), (55, 395936), (80, 272206), (88, 247460), (110, 197968), (160, 136103), (176, 123730), (220, 98984), (352, 61865), (440, 49492), (880, 24746), (1760, 12373)]