21354200

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{2179}}^1$

素因数の和:2209

約数の個数: 72

約数和(自身を含む): 57780900

約数和(自身を除く): 36426700

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2179, 2450, 4358, 4900, 8716, 9800, 10895, 15253, 17432, 21790, 30506, 43580, 54475, 61012, 76265, 87160, 106771, 108950, 122024, 152530, 213542, 217900, 305060, 381325, 427084, 435800, 533855, 610120, 762650, 854168, 1067710, 1525300, 2135420, 2669275, 3050600, 4270840, 5338550, 10677100, 21354200]

約数ペア:

[(1, 21354200), (2, 10677100), (4, 5338550), (5, 4270840), (7, 3050600), (8, 2669275), (10, 2135420), (14, 1525300), (20, 1067710), (25, 854168), (28, 762650), (35, 610120), (40, 533855), (49, 435800), (50, 427084), (56, 381325), (70, 305060), (98, 217900), (100, 213542), (140, 152530), (175, 122024), (196, 108950), (200, 106771), (245, 87160), (280, 76265), (350, 61012), (392, 54475), (490, 43580), (700, 30506), (980, 21790), (1225, 17432), (1400, 15253), (1960, 10895), (2179, 9800), (2450, 8716), (4358, 4900)]