21780384

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{11941}}^1$

素因数の和:11973

約数の個数: 48

約数和(自身を含む): 60187680

約数和(自身を除く): 38407296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 114, 152, 228, 304, 456, 608, 912, 1824, 11941, 23882, 35823, 47764, 71646, 95528, 143292, 191056, 226879, 286584, 382112, 453758, 573168, 680637, 907516, 1146336, 1361274, 1815032, 2722548, 3630064, 5445096, 7260128, 10890192, 21780384]

約数ペア:

[(1, 21780384), (2, 10890192), (3, 7260128), (4, 5445096), (6, 3630064), (8, 2722548), (12, 1815032), (16, 1361274), (19, 1146336), (24, 907516), (32, 680637), (38, 573168), (48, 453758), (57, 382112), (76, 286584), (96, 226879), (114, 191056), (152, 143292), (228, 95528), (304, 71646), (456, 47764), (608, 35823), (912, 23882), (1824, 11941)]