21049276616

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{9151}}^1$

素因数の和:9622

約数の個数: 64

約数和(自身を含む): 42776448000

約数和(自身を除く): 21727171384

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 409, 703, 818, 1406, 1636, 2812, 3272, 5624, 7771, 9151, 15133, 15542, 18302, 30266, 31084, 36604, 60532, 62168, 73208, 121064, 173869, 287527, 338587, 347738, 575054, 677174, 695476, 1150108, 1354348, 1390952, 2300216, 2708696, 3742759, 6433153, 7485518, 12866306, 14971036, 25732612, 29942072, 51465224, 71112421, 138482083, 142224842, 276964166, 284449684, 553928332, 568899368, 1107856664, 2631159577, 5262319154, 10524638308, 21049276616]

約数ペア:

[(1, 21049276616), (2, 10524638308), (4, 5262319154), (8, 2631159577), (19, 1107856664), (37, 568899368), (38, 553928332), (74, 284449684), (76, 276964166), (148, 142224842), (152, 138482083), (296, 71112421), (409, 51465224), (703, 29942072), (818, 25732612), (1406, 14971036), (1636, 12866306), (2812, 7485518), (3272, 6433153), (5624, 3742759), (7771, 2708696), (9151, 2300216), (15133, 1390952), (15542, 1354348), (18302, 1150108), (30266, 695476), (31084, 677174), (36604, 575054), (60532, 347738), (62168, 338587), (73208, 287527), (121064, 173869)]