21476490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3299}}^1$

素因数の和:3347

約数の個数: 64

約数和(自身を含む): 60825600

約数和(自身を除く): 39349110

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, 3299, 6510, 6598, 9897, 16495, 19794, 23093, 32990, 46186, 49485, 69279, 98970, 102269, 115465, 138558, 204538, 230930, 306807, 346395, 511345, 613614, 692790, 715883, 1022690, 1431766, 1534035, 2147649, 3068070, 3579415, 4295298, 7158830, 10738245, 21476490]

約数ペア:

[(1, 21476490), (2, 10738245), (3, 7158830), (5, 4295298), (6, 3579415), (7, 3068070), (10, 2147649), (14, 1534035), (15, 1431766), (21, 1022690), (30, 715883), (31, 692790), (35, 613614), (42, 511345), (62, 346395), (70, 306807), (93, 230930), (105, 204538), (155, 138558), (186, 115465), (210, 102269), (217, 98970), (310, 69279), (434, 49485), (465, 46186), (651, 32990), (930, 23093), (1085, 19794), (1302, 16495), (2170, 9897), (3255, 6598), (3299, 6510)]