21342510

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1783}}^1$

素因数の和:1822

約数の個数: 96

約数和(自身を含む): 66792960

約数和(自身を除く): 45450450

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 399, 570, 630, 665, 798, 855, 1197, 1330, 1710, 1783, 1995, 2394, 3566, 3990, 5349, 5985, 8915, 10698, 11970, 12481, 16047, 17830, 24962, 26745, 32094, 33877, 37443, 53490, 62405, 67754, 74886, 80235, 101631, 112329, 124810, 160470, 169385, 187215, 203262, 224658, 237139, 304893, 338770, 374430, 474278, 508155, 561645, 609786, 711417, 1016310, 1123290, 1185695, 1422834, 1524465, 2134251, 2371390, 3048930, 3557085, 4268502, 7114170, 10671255, 21342510]

約数ペア:

[(1, 21342510), (2, 10671255), (3, 7114170), (5, 4268502), (6, 3557085), (7, 3048930), (9, 2371390), (10, 2134251), (14, 1524465), (15, 1422834), (18, 1185695), (19, 1123290), (21, 1016310), (30, 711417), (35, 609786), (38, 561645), (42, 508155), (45, 474278), (57, 374430), (63, 338770), (70, 304893), (90, 237139), (95, 224658), (105, 203262), (114, 187215), (126, 169385), (133, 160470), (171, 124810), (190, 112329), (210, 101631), (266, 80235), (285, 74886), (315, 67754), (342, 62405), (399, 53490), (570, 37443), (630, 33877), (665, 32094), (798, 26745), (855, 24962), (1197, 17830), (1330, 16047), (1710, 12481), (1783, 11970), (1995, 10698), (2394, 8915), (3566, 5985), (3990, 5349)]