21704384

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1373}}^1$

素因数の和:1417

約数の個数: 56

約数和(自身を含む): 48859440

約数和(自身を除く): 27155056

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1373, 1976, 2746, 3952, 5492, 7904, 10984, 15808, 17849, 21968, 26087, 35698, 43936, 52174, 71396, 87872, 104348, 142792, 208696, 285584, 339131, 417392, 571168, 678262, 834784, 1142336, 1356524, 1669568, 2713048, 5426096, 10852192, 21704384]

約数ペア:

[(1, 21704384), (2, 10852192), (4, 5426096), (8, 2713048), (13, 1669568), (16, 1356524), (19, 1142336), (26, 834784), (32, 678262), (38, 571168), (52, 417392), (64, 339131), (76, 285584), (104, 208696), (152, 142792), (208, 104348), (247, 87872), (304, 71396), (416, 52174), (494, 43936), (608, 35698), (832, 26087), (988, 21968), (1216, 17849), (1373, 15808), (1976, 10984), (2746, 7904), (3952, 5492)]