21316776

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4019}}^1$

素因数の和:4058

約数の個数: 64

約数和(自身を含む): 60782400

約数和(自身を除く): 39465624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 102, 104, 136, 156, 204, 221, 312, 408, 442, 663, 884, 1326, 1768, 2652, 4019, 5304, 8038, 12057, 16076, 24114, 32152, 48228, 52247, 68323, 96456, 104494, 136646, 156741, 204969, 208988, 273292, 313482, 409938, 417976, 546584, 626964, 819876, 888199, 1253928, 1639752, 1776398, 2664597, 3552796, 5329194, 7105592, 10658388, 21316776]

約数ペア:

[(1, 21316776), (2, 10658388), (3, 7105592), (4, 5329194), (6, 3552796), (8, 2664597), (12, 1776398), (13, 1639752), (17, 1253928), (24, 888199), (26, 819876), (34, 626964), (39, 546584), (51, 417976), (52, 409938), (68, 313482), (78, 273292), (102, 208988), (104, 204969), (136, 156741), (156, 136646), (204, 104494), (221, 96456), (312, 68323), (408, 52247), (442, 48228), (663, 32152), (884, 24114), (1326, 16076), (1768, 12057), (2652, 8038), (4019, 5304)]