21187936944

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{455537}}^1$

素因数の和:455587

約数の個数: 120

約数和(自身を含む): 66089453040

約数和(自身を除く): 44901516096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 34, 36, 38, 48, 51, 57, 68, 72, 76, 102, 114, 136, 144, 152, 153, 171, 204, 228, 272, 304, 306, 323, 342, 408, 456, 612, 646, 684, 816, 912, 969, 1224, 1292, 1368, 1938, 2448, 2584, 2736, 2907, 3876, 5168, 5814, 7752, 11628, 15504, 23256, 46512, 455537, 911074, 1366611, 1822148, 2733222, 3644296, 4099833, 5466444, 7288592, 7744129, 8199666, 8655203, 10932888, 15488258, 16399332, 17310406, 21865776, 23232387, 25965609, 30976516, 32798664, 34620812, 46464774, 51931218, 61953032, 65597328, 69241624, 69697161, 77896827, 92929548, 103862436, 123906064, 138483248, 139394322, 147138451, 155793654, 185859096, 207724872, 278788644, 294276902, 311587308, 371718192, 415449744, 441415353, 557577288, 588553804, 623174616, 882830706, 1115154576, 1177107608, 1246349232, 1324246059, 1765661412, 2354215216, 2648492118, 3531322824, 5296984236, 7062645648, 10593968472, 21187936944]

約数ペア:

[(1, 21187936944), (2, 10593968472), (3, 7062645648), (4, 5296984236), (6, 3531322824), (8, 2648492118), (9, 2354215216), (12, 1765661412), (16, 1324246059), (17, 1246349232), (18, 1177107608), (19, 1115154576), (24, 882830706), (34, 623174616), (36, 588553804), (38, 557577288), (48, 441415353), (51, 415449744), (57, 371718192), (68, 311587308), (72, 294276902), (76, 278788644), (102, 207724872), (114, 185859096), (136, 155793654), (144, 147138451), (152, 139394322), (153, 138483248), (171, 123906064), (204, 103862436), (228, 92929548), (272, 77896827), (304, 69697161), (306, 69241624), (323, 65597328), (342, 61953032), (408, 51931218), (456, 46464774), (612, 34620812), (646, 32798664), (684, 30976516), (816, 25965609), (912, 23232387), (969, 21865776), (1224, 17310406), (1292, 16399332), (1368, 15488258), (1938, 10932888), (2448, 8655203), (2584, 8199666), (2736, 7744129), (2907, 7288592), (3876, 5466444), (5168, 4099833), (5814, 3644296), (7752, 2733222), (11628, 1822148), (15504, 1366611), (23256, 911074), (46512, 455537)]