21340200

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{5081}}^1$

素因数の和:5107

約数の個数: 96

約数和(自身を含む): 75620160

約数和(自身を除く): 54279960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 5081, 10162, 15243, 20324, 25405, 30486, 35567, 40648, 50810, 60972, 71134, 76215, 101620, 106701, 121944, 127025, 142268, 152430, 177835, 203240, 213402, 254050, 284536, 304860, 355670, 381075, 426804, 508100, 533505, 609720, 711340, 762150, 853608, 889175, 1016200, 1067010, 1422680, 1524300, 1778350, 2134020, 2667525, 3048600, 3556700, 4268040, 5335050, 7113400, 10670100, 21340200]

約数ペア:

[(1, 21340200), (2, 10670100), (3, 7113400), (4, 5335050), (5, 4268040), (6, 3556700), (7, 3048600), (8, 2667525), (10, 2134020), (12, 1778350), (14, 1524300), (15, 1422680), (20, 1067010), (21, 1016200), (24, 889175), (25, 853608), (28, 762150), (30, 711340), (35, 609720), (40, 533505), (42, 508100), (50, 426804), (56, 381075), (60, 355670), (70, 304860), (75, 284536), (84, 254050), (100, 213402), (105, 203240), (120, 177835), (140, 152430), (150, 142268), (168, 127025), (175, 121944), (200, 106701), (210, 101620), (280, 76215), (300, 71134), (350, 60972), (420, 50810), (525, 40648), (600, 35567), (700, 30486), (840, 25405), (1050, 20324), (1400, 15243), (2100, 10162), (4200, 5081)]