21550650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:416

約数の個数: 96

約数和(自身を含む): 60049728

約数和(自身を除く): 38499078

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 37, 50, 55, 66, 74, 75, 110, 111, 150, 165, 185, 222, 275, 330, 353, 370, 407, 550, 555, 706, 814, 825, 925, 1059, 1110, 1221, 1650, 1765, 1850, 2035, 2118, 2442, 2775, 3530, 3883, 4070, 5295, 5550, 6105, 7766, 8825, 10175, 10590, 11649, 12210, 13061, 17650, 19415, 20350, 23298, 26122, 26475, 30525, 38830, 39183, 52950, 58245, 61050, 65305, 78366, 97075, 116490, 130610, 143671, 194150, 195915, 287342, 291225, 326525, 391830, 431013, 582450, 653050, 718355, 862026, 979575, 1436710, 1959150, 2155065, 3591775, 4310130, 7183550, 10775325, 21550650]

約数ペア:

[(1, 21550650), (2, 10775325), (3, 7183550), (5, 4310130), (6, 3591775), (10, 2155065), (11, 1959150), (15, 1436710), (22, 979575), (25, 862026), (30, 718355), (33, 653050), (37, 582450), (50, 431013), (55, 391830), (66, 326525), (74, 291225), (75, 287342), (110, 195915), (111, 194150), (150, 143671), (165, 130610), (185, 116490), (222, 97075), (275, 78366), (330, 65305), (353, 61050), (370, 58245), (407, 52950), (550, 39183), (555, 38830), (706, 30525), (814, 26475), (825, 26122), (925, 23298), (1059, 20350), (1110, 19415), (1221, 17650), (1650, 13061), (1765, 12210), (1850, 11649), (2035, 10590), (2118, 10175), (2442, 8825), (2775, 7766), (3530, 6105), (3883, 5550), (4070, 5295)]