21606690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3319}}^1$

素因数の和:3367

約数の個数: 64

約数和(自身を含む): 61194240

約数和(自身を除く): 39587550

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 3319, 6510, 6638, 9957, 16595, 19914, 23233, 33190, 46466, 49785, 69699, 99570, 102889, 116165, 139398, 205778, 232330, 308667, 348495, 514445, 617334, 696990, 720223, 1028890, 1440446, 1543335, 2160669, 3086670, 3601115, 4321338, 7202230, 10803345, 21606690]

約数ペア:

[(1, 21606690), (2, 10803345), (3, 7202230), (5, 4321338), (6, 3601115), (7, 3086670), (10, 2160669), (14, 1543335), (15, 1440446), (21, 1028890), (30, 720223), (31, 696990), (35, 617334), (42, 514445), (62, 348495), (70, 308667), (93, 232330), (105, 205778), (155, 139398), (186, 116165), (210, 102889), (217, 99570), (310, 69699), (434, 49785), (465, 46466), (651, 33190), (930, 23233), (1085, 19914), (1302, 16595), (2170, 9957), (3255, 6638), (3319, 6510)]