21358470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:190

約数の個数: 128

約数和(自身を含む): 63452160

約数和(自身を除く): 42093690

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 53, 57, 70, 95, 101, 105, 106, 114, 133, 159, 190, 202, 210, 265, 266, 285, 303, 318, 371, 399, 505, 530, 570, 606, 665, 707, 742, 795, 798, 1007, 1010, 1113, 1330, 1414, 1515, 1590, 1855, 1919, 1995, 2014, 2121, 2226, 3021, 3030, 3535, 3710, 3838, 3990, 4242, 5035, 5353, 5565, 5757, 6042, 7049, 7070, 9595, 10070, 10605, 10706, 11130, 11514, 13433, 14098, 15105, 16059, 19190, 21147, 21210, 26765, 26866, 28785, 30210, 32118, 35245, 37471, 40299, 42294, 53530, 57570, 67165, 70490, 74942, 80295, 80598, 101707, 105735, 112413, 134330, 160590, 187355, 201495, 203414, 211470, 224826, 305121, 374710, 402990, 508535, 562065, 610242, 711949, 1017070, 1124130, 1423898, 1525605, 2135847, 3051210, 3559745, 4271694, 7119490, 10679235, 21358470]

約数ペア:

[(1, 21358470), (2, 10679235), (3, 7119490), (5, 4271694), (6, 3559745), (7, 3051210), (10, 2135847), (14, 1525605), (15, 1423898), (19, 1124130), (21, 1017070), (30, 711949), (35, 610242), (38, 562065), (42, 508535), (53, 402990), (57, 374710), (70, 305121), (95, 224826), (101, 211470), (105, 203414), (106, 201495), (114, 187355), (133, 160590), (159, 134330), (190, 112413), (202, 105735), (210, 101707), (265, 80598), (266, 80295), (285, 74942), (303, 70490), (318, 67165), (371, 57570), (399, 53530), (505, 42294), (530, 40299), (570, 37471), (606, 35245), (665, 32118), (707, 30210), (742, 28785), (795, 26866), (798, 26765), (1007, 21210), (1010, 21147), (1113, 19190), (1330, 16059), (1414, 15105), (1515, 14098), (1590, 13433), (1855, 11514), (1919, 11130), (1995, 10706), (2014, 10605), (2121, 10070), (2226, 9595), (3021, 7070), (3030, 7049), (3535, 6042), (3710, 5757), (3838, 5565), (3990, 5353), (4242, 5035)]