21371238

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:226

約数の個数: 96

約数和(自身を含む): 56908800

約数和(自身を除く): 35537562

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 79, 113, 114, 126, 133, 158, 171, 226, 237, 266, 339, 342, 399, 474, 553, 678, 711, 791, 798, 1017, 1106, 1197, 1422, 1501, 1582, 1659, 2034, 2147, 2373, 2394, 3002, 3318, 4294, 4503, 4746, 4977, 6441, 7119, 8927, 9006, 9954, 10507, 12882, 13509, 14238, 15029, 17854, 19323, 21014, 26781, 27018, 30058, 31521, 38646, 45087, 53562, 62489, 63042, 80343, 90174, 94563, 124978, 135261, 160686, 169613, 187467, 189126, 270522, 339226, 374934, 508839, 562401, 1017678, 1124802, 1187291, 1526517, 2374582, 3053034, 3561873, 7123746, 10685619, 21371238]

約数ペア:

[(1, 21371238), (2, 10685619), (3, 7123746), (6, 3561873), (7, 3053034), (9, 2374582), (14, 1526517), (18, 1187291), (19, 1124802), (21, 1017678), (38, 562401), (42, 508839), (57, 374934), (63, 339226), (79, 270522), (113, 189126), (114, 187467), (126, 169613), (133, 160686), (158, 135261), (171, 124978), (226, 94563), (237, 90174), (266, 80343), (339, 63042), (342, 62489), (399, 53562), (474, 45087), (553, 38646), (678, 31521), (711, 30058), (791, 27018), (798, 26781), (1017, 21014), (1106, 19323), (1197, 17854), (1422, 15029), (1501, 14238), (1582, 13509), (1659, 12882), (2034, 10507), (2147, 9954), (2373, 9006), (2394, 8927), (3002, 7119), (3318, 6441), (4294, 4977), (4503, 4746)]