21919008

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 61871040

約数和(自身を除く): 39952032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 61, 76, 96, 114, 122, 152, 183, 197, 228, 244, 304, 366, 394, 456, 488, 591, 608, 732, 788, 912, 976, 1159, 1182, 1464, 1576, 1824, 1952, 2318, 2364, 2928, 3152, 3477, 3743, 4636, 4728, 5856, 6304, 6954, 7486, 9272, 9456, 11229, 12017, 13908, 14972, 18544, 18912, 22458, 24034, 27816, 29944, 36051, 37088, 44916, 48068, 55632, 59888, 72102, 89832, 96136, 111264, 119776, 144204, 179664, 192272, 228323, 288408, 359328, 384544, 456646, 576816, 684969, 913292, 1153632, 1369938, 1826584, 2739876, 3653168, 5479752, 7306336, 10959504, 21919008]

約数ペア:

[(1, 21919008), (2, 10959504), (3, 7306336), (4, 5479752), (6, 3653168), (8, 2739876), (12, 1826584), (16, 1369938), (19, 1153632), (24, 913292), (32, 684969), (38, 576816), (48, 456646), (57, 384544), (61, 359328), (76, 288408), (96, 228323), (114, 192272), (122, 179664), (152, 144204), (183, 119776), (197, 111264), (228, 96136), (244, 89832), (304, 72102), (366, 59888), (394, 55632), (456, 48068), (488, 44916), (591, 37088), (608, 36051), (732, 29944), (788, 27816), (912, 24034), (976, 22458), (1159, 18912), (1182, 18544), (1464, 14972), (1576, 13908), (1824, 12017), (1952, 11229), (2318, 9456), (2364, 9272), (2928, 7486), (3152, 6954), (3477, 6304), (3743, 5856), (4636, 4728)]