21902820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19213}}^1$

素因数の和:19244

約数の個数: 48

約数和(自身を含む): 64559040

約数和(自身を除く): 42656220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 19213, 38426, 57639, 76852, 96065, 115278, 192130, 230556, 288195, 365047, 384260, 576390, 730094, 1095141, 1152780, 1460188, 1825235, 2190282, 3650470, 4380564, 5475705, 7300940, 10951410, 21902820]

約数ペア:

[(1, 21902820), (2, 10951410), (3, 7300940), (4, 5475705), (5, 4380564), (6, 3650470), (10, 2190282), (12, 1825235), (15, 1460188), (19, 1152780), (20, 1095141), (30, 730094), (38, 576390), (57, 384260), (60, 365047), (76, 288195), (95, 230556), (114, 192130), (190, 115278), (228, 96065), (285, 76852), (380, 57639), (570, 38426), (1140, 19213)]