21000674300

素因数分解:

$2^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{359}}^1\times {\mathrm{8731}}^1$

素因数の和:9171

約数の個数: 72

約数和(自身を含む): 46385781120

約数和(自身を除く): 25385106820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 134, 268, 335, 359, 670, 718, 1340, 1436, 1675, 1795, 3350, 3590, 6700, 7180, 8731, 8975, 17462, 17950, 24053, 34924, 35900, 43655, 48106, 87310, 96212, 120265, 174620, 218275, 240530, 436550, 481060, 584977, 601325, 873100, 1169954, 1202650, 2339908, 2405300, 2924885, 3134429, 5849770, 6268858, 11699540, 12537716, 14624425, 15672145, 29248850, 31344290, 58497700, 62688580, 78360725, 156721450, 210006743, 313442900, 420013486, 840026972, 1050033715, 2100067430, 4200134860, 5250168575, 10500337150, 21000674300]

約数ペア:

[(1, 21000674300), (2, 10500337150), (4, 5250168575), (5, 4200134860), (10, 2100067430), (20, 1050033715), (25, 840026972), (50, 420013486), (67, 313442900), (100, 210006743), (134, 156721450), (268, 78360725), (335, 62688580), (359, 58497700), (670, 31344290), (718, 29248850), (1340, 15672145), (1436, 14624425), (1675, 12537716), (1795, 11699540), (3350, 6268858), (3590, 5849770), (6700, 3134429), (7180, 2924885), (8731, 2405300), (8975, 2339908), (17462, 1202650), (17950, 1169954), (24053, 873100), (34924, 601325), (35900, 584977), (43655, 481060), (48106, 436550), (87310, 240530), (96212, 218275), (120265, 174620)]