21718109950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{137849}}^1$

素因数の和:138021

約数の個数: 48

約数和(自身を含む): 42460005600

約数和(自身を除く): 20741895650

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 137, 230, 274, 575, 685, 1150, 1370, 3151, 3425, 6302, 6850, 15755, 31510, 78775, 137849, 157550, 275698, 689245, 1378490, 3170527, 3446225, 6341054, 6892450, 15852635, 18885313, 31705270, 37770626, 79263175, 94426565, 158526350, 188853130, 434362199, 472132825, 868724398, 944265650, 2171810995, 4343621990, 10859054975, 21718109950]

約数ペア:

[(1, 21718109950), (2, 10859054975), (5, 4343621990), (10, 2171810995), (23, 944265650), (25, 868724398), (46, 472132825), (50, 434362199), (115, 188853130), (137, 158526350), (230, 94426565), (274, 79263175), (575, 37770626), (685, 31705270), (1150, 18885313), (1370, 15852635), (3151, 6892450), (3425, 6341054), (6302, 3446225), (6850, 3170527), (15755, 1378490), (31510, 689245), (78775, 275698), (137849, 157550)]