21329700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{1451}}^1$

素因数の和:1482

約数の個数: 108

約数和(自身を含む): 71839152

約数和(自身を除く): 50509452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 140, 147, 150, 175, 196, 210, 245, 294, 300, 350, 420, 490, 525, 588, 700, 735, 980, 1050, 1225, 1451, 1470, 2100, 2450, 2902, 2940, 3675, 4353, 4900, 5804, 7255, 7350, 8706, 10157, 14510, 14700, 17412, 20314, 21765, 29020, 30471, 36275, 40628, 43530, 50785, 60942, 71099, 72550, 87060, 101570, 108825, 121884, 142198, 145100, 152355, 203140, 213297, 217650, 253925, 284396, 304710, 355495, 426594, 435300, 507850, 609420, 710990, 761775, 853188, 1015700, 1066485, 1421980, 1523550, 1777475, 2132970, 3047100, 3554950, 4265940, 5332425, 7109900, 10664850, 21329700]

約数ペア:

[(1, 21329700), (2, 10664850), (3, 7109900), (4, 5332425), (5, 4265940), (6, 3554950), (7, 3047100), (10, 2132970), (12, 1777475), (14, 1523550), (15, 1421980), (20, 1066485), (21, 1015700), (25, 853188), (28, 761775), (30, 710990), (35, 609420), (42, 507850), (49, 435300), (50, 426594), (60, 355495), (70, 304710), (75, 284396), (84, 253925), (98, 217650), (100, 213297), (105, 203140), (140, 152355), (147, 145100), (150, 142198), (175, 121884), (196, 108825), (210, 101570), (245, 87060), (294, 72550), (300, 71099), (350, 60942), (420, 50785), (490, 43530), (525, 40628), (588, 36275), (700, 30471), (735, 29020), (980, 21765), (1050, 20314), (1225, 17412), (1451, 14700), (1470, 14510), (2100, 10157), (2450, 8706), (2902, 7350), (2940, 7255), (3675, 5804), (4353, 4900)]