21549570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1153}}^1$

素因数の和:1259

約数の個数: 64

約数和(自身を含む): 59823360

約数和(自身を除く): 38273790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 89, 105, 178, 210, 267, 445, 534, 623, 890, 1153, 1246, 1335, 1869, 2306, 2670, 3115, 3459, 3738, 5765, 6230, 6918, 8071, 9345, 11530, 16142, 17295, 18690, 24213, 34590, 40355, 48426, 80710, 102617, 121065, 205234, 242130, 307851, 513085, 615702, 718319, 1026170, 1436638, 1539255, 2154957, 3078510, 3591595, 4309914, 7183190, 10774785, 21549570]

約数ペア:

[(1, 21549570), (2, 10774785), (3, 7183190), (5, 4309914), (6, 3591595), (7, 3078510), (10, 2154957), (14, 1539255), (15, 1436638), (21, 1026170), (30, 718319), (35, 615702), (42, 513085), (70, 307851), (89, 242130), (105, 205234), (178, 121065), (210, 102617), (267, 80710), (445, 48426), (534, 40355), (623, 34590), (890, 24213), (1153, 18690), (1246, 17295), (1335, 16142), (1869, 11530), (2306, 9345), (2670, 8071), (3115, 6918), (3459, 6230), (3738, 5765)]