21733948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 42134400

約数和(自身を除く): 20400452

約数列:

[1, 2, 4, 19, 37, 38, 59, 74, 76, 118, 131, 148, 236, 262, 524, 703, 1121, 1406, 2183, 2242, 2489, 2812, 4366, 4484, 4847, 4978, 7729, 8732, 9694, 9956, 15458, 19388, 30916, 41477, 82954, 92093, 146851, 165908, 184186, 285973, 293702, 368372, 571946, 587404, 1143892, 5433487, 10866974, 21733948]

約数ペア:

[(1, 21733948), (2, 10866974), (4, 5433487), (19, 1143892), (37, 587404), (38, 571946), (59, 368372), (74, 293702), (76, 285973), (118, 184186), (131, 165908), (148, 146851), (236, 92093), (262, 82954), (524, 41477), (703, 30916), (1121, 19388), (1406, 15458), (2183, 9956), (2242, 9694), (2489, 8732), (2812, 7729), (4366, 4978), (4484, 4847)]