21597412005

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67003}}^1$

素因数の和:67075

約数の個数: 96

約数和(自身を含む): 43901020800

約数和(自身を除く): 22303608795

約数列:

[1, 3, 5, 9, 13, 15, 19, 29, 39, 45, 57, 65, 87, 95, 117, 145, 171, 195, 247, 261, 285, 377, 435, 551, 585, 741, 855, 1131, 1235, 1305, 1653, 1885, 2223, 2755, 3393, 3705, 4959, 5655, 7163, 8265, 11115, 16965, 21489, 24795, 35815, 64467, 67003, 107445, 201009, 322335, 335015, 603027, 871039, 1005045, 1273057, 1943087, 2613117, 3015135, 3819171, 4355195, 5829261, 6365285, 7839351, 9715435, 11457513, 13065585, 16549741, 17487783, 19095855, 25260131, 29146305, 36918653, 39196755, 49649223, 57287565, 75780393, 82748705, 87438915, 110755959, 126300655, 148947669, 184593265, 227341179, 248246115, 332267877, 378901965, 479942489, 553779795, 744738345, 1136705895, 1439827467, 1661339385, 2399712445, 4319482401, 7199137335, 21597412005]

約数ペア:

[(1, 21597412005), (3, 7199137335), (5, 4319482401), (9, 2399712445), (13, 1661339385), (15, 1439827467), (19, 1136705895), (29, 744738345), (39, 553779795), (45, 479942489), (57, 378901965), (65, 332267877), (87, 248246115), (95, 227341179), (117, 184593265), (145, 148947669), (171, 126300655), (195, 110755959), (247, 87438915), (261, 82748705), (285, 75780393), (377, 57287565), (435, 49649223), (551, 39196755), (585, 36918653), (741, 29146305), (855, 25260131), (1131, 19095855), (1235, 17487783), (1305, 16549741), (1653, 13065585), (1885, 11457513), (2223, 9715435), (2755, 7839351), (3393, 6365285), (3705, 5829261), (4959, 4355195), (5655, 3819171), (7163, 3015135), (8265, 2613117), (11115, 1943087), (16965, 1273057), (21489, 1005045), (24795, 871039), (35815, 603027), (64467, 335015), (67003, 322335), (107445, 201009)]