21945210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3371}}^1$

素因数の和:3419

約数の個数: 64

約数和(自身を含む): 62152704

約数和(自身を除く): 40207494

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, 3371, 6510, 6742, 10113, 16855, 20226, 23597, 33710, 47194, 50565, 70791, 101130, 104501, 117985, 141582, 209002, 235970, 313503, 353955, 522505, 627006, 707910, 731507, 1045010, 1463014, 1567515, 2194521, 3135030, 3657535, 4389042, 7315070, 10972605, 21945210]

約数ペア:

[(1, 21945210), (2, 10972605), (3, 7315070), (5, 4389042), (6, 3657535), (7, 3135030), (10, 2194521), (14, 1567515), (15, 1463014), (21, 1045010), (30, 731507), (31, 707910), (35, 627006), (42, 522505), (62, 353955), (70, 313503), (93, 235970), (105, 209002), (155, 141582), (186, 117985), (210, 104501), (217, 101130), (310, 70791), (434, 50565), (465, 47194), (651, 33710), (930, 23597), (1085, 20226), (1302, 16855), (2170, 10113), (3255, 6742), (3371, 6510)]