21000298566

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{30689}}^1$

素因数の和:31021

約数の個数: 64

約数和(自身を含む): 46857000960

約数和(自身を除く): 25856702394

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 283, 403, 566, 806, 849, 1209, 1698, 2418, 3679, 7358, 8773, 11037, 17546, 22074, 26319, 30689, 52638, 61378, 92067, 114049, 184134, 228098, 342147, 398957, 684294, 797914, 951359, 1196871, 1902718, 2393742, 2854077, 5708154, 8684987, 12367667, 17369974, 24735334, 26054961, 37103001, 52109922, 74206002, 112904831, 225809662, 269234597, 338714493, 538469194, 677428986, 807703791, 1615407582, 3500049761, 7000099522, 10500149283, 21000298566]

約数ペア:

[(1, 21000298566), (2, 10500149283), (3, 7000099522), (6, 3500049761), (13, 1615407582), (26, 807703791), (31, 677428986), (39, 538469194), (62, 338714493), (78, 269234597), (93, 225809662), (186, 112904831), (283, 74206002), (403, 52109922), (566, 37103001), (806, 26054961), (849, 24735334), (1209, 17369974), (1698, 12367667), (2418, 8684987), (3679, 5708154), (7358, 2854077), (8773, 2393742), (11037, 1902718), (17546, 1196871), (22074, 951359), (26319, 797914), (30689, 684294), (52638, 398957), (61378, 342147), (92067, 228098), (114049, 184134)]