213211320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{253823}}^1$

素因数の和:253844

約数の個数: 64

約数和(自身を含む): 731013120

約数和(自身を除く): 517801800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 253823, 507646, 761469, 1015292, 1269115, 1522938, 1776761, 2030584, 2538230, 3045876, 3553522, 3807345, 5076460, 5330283, 6091752, 7107044, 7614690, 8883805, 10152920, 10660566, 14214088, 15229380, 17767610, 21321132, 26651415, 30458760, 35535220, 42642264, 53302830, 71070440, 106605660, 213211320]

約数ペア:

[(1, 213211320), (2, 106605660), (3, 71070440), (4, 53302830), (5, 42642264), (6, 35535220), (7, 30458760), (8, 26651415), (10, 21321132), (12, 17767610), (14, 15229380), (15, 14214088), (20, 10660566), (21, 10152920), (24, 8883805), (28, 7614690), (30, 7107044), (35, 6091752), (40, 5330283), (42, 5076460), (56, 3807345), (60, 3553522), (70, 3045876), (84, 2538230), (105, 2030584), (120, 1776761), (140, 1522938), (168, 1269115), (210, 1015292), (280, 761469), (420, 507646), (840, 253823)]