21548366973

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2707}}^1\times {\mathrm{4357}}^1$

素因数の和:7106

約数の個数: 48

約数和(自身を含む): 36820567680

約数和(自身を除く): 15272200707

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 2707, 4357, 8121, 13071, 18949, 24363, 30499, 39213, 56847, 78503, 91497, 126353, 170541, 235509, 274491, 379059, 549521, 706527, 884471, 1137177, 1648563, 2653413, 4945689, 7960239, 11794399, 35383197, 82560793, 106149591, 247682379, 342037571, 743047137, 1026112713, 2394262997, 3078338139, 7182788991, 21548366973]

約数ペア:

[(1, 21548366973), (3, 7182788991), (7, 3078338139), (9, 2394262997), (21, 1026112713), (29, 743047137), (63, 342037571), (87, 247682379), (203, 106149591), (261, 82560793), (609, 35383197), (1827, 11794399), (2707, 7960239), (4357, 4945689), (8121, 2653413), (13071, 1648563), (18949, 1137177), (24363, 884471), (30499, 706527), (39213, 549521), (56847, 379059), (78503, 274491), (91497, 235509), (126353, 170541)]